# List of Cosmos Club members

The Cosmos Club is a private social club in Washington, D.C., that was founded in 1878. Following is an incomplete list of its notable members.
| Name | Class and range | Notability |
| Cleveland Abbe | 1883–1884 | professor of meteorology with the U.S. Weather Bureau |
| Cleveland Abbe Jr. | 1895–1899 | professor of geography and biology at Western Maryland College |
| Truman Abbe | 1903 | surgeon |
| Philip Abelson | 1953 | physicist |
| Henry Adams | 1878 | historian and Pulitzer Prize recipient |
| Henry Carter Adams | 1889 | professor of political economy at the University of Michigan |
| James Truslow Adams | | writer, historian, and Pulitzer Prize winner |
| Leason Adams | | geophysicist and researcher at the Carnegie Institute |
| Alvey A. Adee | 1887–1889 | United States Secretary of State |
| Jesse C. Adkins | | judge of the United States District Court for the District of Columbia |
| Cyrus Adler | 1890 | Educator, librarian |
| Fred C. Ainsworth | 1887–1888 | U.S. Army surgeon and adjutant general |
| Clyde Bruce Aitchison | | Interstate Commerce Commissioner |
| Charles Henry Alden | 1893–1897 | first president of the Army Medical School |
| Asa O. Aldis | 1880–1884 | Judge and diplomat |
| John Merton Aldrich | | associate curator of insects at the United States National Museum |
| Dean C. Allard | | naval historian, archivist, director of the United States Navy's Naval Historical Center |
| Charles Herbert Allen | 1888–1890 | Governor of Puerto Rico, Assistant Secretary of the Navy, member of Congress |
| Eugene Thomas Allen | | pioneer of geochemistry, worked at the Geophysical Laboratory of the Carnegie Institution |
| Harvey J. Alter | 1970 | medical researcher, co-winner of the Nobel Prize in Physiology or Medicine |
| Benjamin Alvord | 1878 | mathematician, soldier, U.S. Army paymaster |
| Henry Elijah Alvord | 1895 | Professor of agriculture, chief of the dairy division of the U.S. Department of Agriculture |
| Nicholas Longworth Anderson | 1886–1887 | U.S. Army brigadier general and major general of volunteers |
| Eliphalet F. Andrews | 1880–1896 | painter, director of the Corcoran School of Art |
| Lincoln Clark Andrews | | U.S. Army brigadier general, Assistant Secretary of the Treasury |
| Earl C. Arnold | | attorney, academic, college administrator |
| William Harris Ashmead | 1892 | Entomologist, assistant curator Smithsonian |
| John Vincent Atanasoff | 1957 | computer pioneer, built the first digital computer |
| Wilbur Olin Atwater | 1899 | professor of chemistry, U.S. Department of Agriculture nutritionist |
| Albert William Atwood | 1928 | author, journalist, and writer for National Geographic and The Saturday Evening Post |
| James Percy Ault | | Geodetic surveyor, geophysicist, geomagnetic researcher |
| Louis Winslow Austin | | Physicist U.S. Bureau of Standards |
| Michael Auslin | | writer |
| Cyrus Cates Babb | 1892 | civil engineer and hydrographer with U.S. Geological Survey |
| Ernest Adna Back | | Entomologist, U.S. Department of Agriculture |
| Henry Bacon | 1888 | architect |
| Barbara A. Bailar | 1988 | mathematical statistician; executive director of the American Statistical Association |
| Jennings Bailey | | judge of the United States District Court for the District of Columbia |
| Vernon Orlando Bailey | | Mammologist with the Bureau of Biological Survey, United States Department of Agriculture |
| H. Foster Bain | | geologist, director of the U.S. Bureau of Mines. |
| George Washington Baird | 1895 | Chief engineer and rear admiral in the U.S. Navy |
| Spencer Fullerton Baird | 1878 | ornithologist, ichthyologist, herpetologist, first curator and Secretary of the Smithsonian |
| Marcellus Bailey | 1878–1885, 1866–1890 | patent lawyer |
| Frank Baker | 1882 | physician and superintendent of the National Zoo |
| Marcus Baker | 1884 | cartographer with U. S. Geological Survey; assistant secretary of Carnegie Institution |
| Aram Bakshian Jr. | | Author and speechwriter for three presidents |
| Albertus H. Baldwin | 1899 | commissioner U.S. Tariff Commission |
| Carleton Roy Ball | | botanist, in charge of the U.S. Bureau of Plant Industry |
| John Chandler Bancroft | 1890–1898 | sculptor |
| Orion M. Barber | | politician and associate judge of the United States Court of Customs and Patent Appeals |
| Edward Chester Barnard | 1899 | topographer, U.S. Geological Survey; chief topographer, U.S. and Canada boundary survey |
| Job Barnard | 1903 | associate justice of the U.S. Supreme Court |
| John Russell Bartlett | 1886–1897 | oceanographer and U.S. Navy Admiral |
| Paul Wayland Bartlett | 1914 | sculptor |
| Henry Askew Barton | | first director of the American Institute of Physics |
| Paul Bartsch | | malacologist, carcinologist, curator of the division of mollusks U.S. National Museum |
| Carl Barus | 1885–1895 | physicist with U.S. Geological Survey and Smithsonian Institution, professor at Brown University |
| Ray S. Bassler | | geologist and paleontologist with the U.S. National Museum |
| Frederick John Bates | | physicist, chief of polarimetric and carbohydrate section, Bureau of Standards; supervisor of the Government Sugar Laboratories, Treasury Department |
| Newton Lemuel. Bates | 1878–1881, 1884 | surgeon general of the U.S. Navy |
| Louis Agricola Bauer | 1899 | geophysicist, chief of the terrestrial magnetism division of the United States Coast and Geodetic Survey. |
| Nathan D. Baxter | | bishop of the Episcopal Church |
| Clifton Bailey Beach | 1896 | member of the U.S. Congress |
| George Ferdinand Becker | 1890 | geologist with the U.S. Geological Survey |
| George Beadle | | geneticist who won the Nobel Prize in Physiology or Medicine |
| Truxtun Beale | 1902 | diplomat |
| Tarleton Hoffman Bean | 1883 | ichthyologist, curator of the department of fishes at the Smithsonian Institution |
| Thomas M. Beggs | 1955 | painter |
| Alexander Graham Bell | 1880 | scientist, engineer, and inventor of the first telephone; president, National Geographic Society |
| Charles J. Bell | 1883 | co-founder of the National Geographic Society, secretary of the Bell Telephone Company |
| Chichester Bell | 1881–1887 | chemist and inventor |
| Samuel Flagg Bemis | | historian, biographer, professor of history at George Washington University |
| Marcus Benjamin | 1896 | chemist, editor for the U.S. National Museum |
| Charles Bendire | 1888 | ornithologist, captain of infantry in the U.S. Army |
| Arden L. Bement Jr. | 1980 | engineer, scientist, professor at Purdue University, director of the National Science Foundation |
| Andrew H. Berding | | journalist, United States Assistant Secretary of State for Public Affairs |
| Patricia Wilson Berger | | librarian, president of the American Library Association |
| Emil Bessels | 1878 | zoologist, entomologist, and arctic researcher with the Smithsonian Institution |
| John M. Bevan | | university professor |
| Albert Burnley Bibb | 1892–1899 | architect with United States Life-Savings Service, professor of architecture at Catholic University |
| Ernest Percy Bicknell | | director of the American Red Cross |
| Julius Bien | 1885 | artist, publisher, lithographer |
| Frank Hagar Bigelow | 1890 | professor of meteorology with the U.S. Weather Bureau |
| John Bigelow Jr. | | U.S. Army lieutenant colonel, teacher at MIT, superintendent of Yosemite National Park |
| John Shaw Billings | 1878 | librarian of the New York Public Library, deputy of the US Army Surgeon General |
| Henry H. Bingham | 1881–1889 | Congressman from Pennsylvania |
| Theodore A. Bingham | 1897–1898 | U.S. Army General, superintendent of the public buildings and grounds at Washington |
| Claude Hale Birdseye | | chief topographic engraver, U.S. Geological Survey |
| Rogers Birnie | 1886 | co-founder of National Geographic Society, United States Army officer, explorer of Death Valley |
| William Herbert Bixby | | U.S. Army brigadier general |
| Henry Campbell Black | 1892 | lawyer, founder of Black's Law Dictionary |
| William Murray Black | 1897–1898 | Commissioner of the District of Columbia, chief of the U.S. Army Corps of Engineers |
| Harry Blackmun | | U.S. Supreme Court Justice |
| James P. Blair | 1998 | photographer with National Geographic |
| William Bodde Jr. | | U.S. Ambassador to the Marshall Islands, Fiji, Tonga, Tuvalu, and Kiribati |
| Ernest L. Bogart | | economist and academic, president of the American Economic Association |
| Henry Carrington Bolton | 1888 | chemist |
| Robert Whitney Bolwell | | professor at George Washington University, pioneer of American studies |
| Stephen Bonsal | | journalist, war correspondent, author, and diplomat, won the Pulitzer Prize for History |
| Daniel J. Boorstin | | Librarian of Congress and winner of the Pulitzer Prize |
| William A. Boring | 1901 | architect |
| Clement Lincoln Bouvé | | attorney, Register of Copyrights in the United States Copyright Office |
| John Wesley Bovee | 1902 | gynecology professor at George Washington University, founder American College of Surgeons |
| Adam Giede Böving | | entomologist and zoologist, U.S. National Museum |
| Norman L. Bowen | | geologist, Geophysical Laboratory, Carnegie Institution of Washington |
| William Bowie | | geodetic engineer, chief of the division of geodesy, United States Coast and Geodetic Survey |
| Francis Tiffany Bowles | 1882–1901 | chief naval constructor and youngest Rear Admiral in the history of the U.S. Navy |
| Alpheus Henry Bowman | | brigadier general U.S. Army |
| George Lothrop Bradley | 1883 | artist |
| Frank B. Brady | | engineer, executive director of the Institute of Navigation |
| Charles John Brand | | chief of the Bureau of Markets at the United States Department of Agriculture |
| Louis Brandeis | 1915–1932 | U.S. Supreme Court Justice |
| Gregory Breit | | Mathematical physicist, academic |
| Lyman James Briggs | | Physicist and engineer |
| David Brinkley | | journalist |
| Alfred Hulse Brooks | 1895 | geologist with the U.S. Geological Survey |
| Glenn Brown | 1888 | architect |
| Henry Billings Brown | 1897 | U.S. Supreme Court Justice |
| Joseph Stanley Brown | 1881–1885, 1894 | assistant geologist, U. S. Geological Survey; private secretary to President James A. Garfield |
| Lester R. Brown | | environmental analyst |
| Stimson Joseph Brown | 1900 | professor of mathematics, astronomical director of the United States Naval Observatory |
| John Mills Browne | 1883–1884 | surgeon general of the U.S. Navy |
| Arnold W. Brunner | 1902 | Architect and historian |
| Kirk Bryan | | Geologist, U.S. Geological Survey, professor at Harvard University |
| Wilhelmus Bogart Bryan | | journalist, author, editor of The Washington Star |
| Albert H. Bumstead | | cartographer |
| William E. Bunney Jr. | 1982 | Psychiatrist, academic |
| Horatio C. Burchard | 1879–1886 | director of the U.S. Mint, congressman, father of the consumer price index |
| George K. Burgess | | physicist |
| Swan Moses Burnett | 1879 | surgeon, pioneering ophthalmologist at the Georgetown University School of Medicine |
| Arthur F. Burns | | economist, U.S. Ambassador to West Germany |
| Vannevar Bush | | electrical engineer |
| Henry Kirke Bush-Brown | | sculptor |
| Charles Henry Butler | | lawyer, reporter of decisions of the United States Supreme Court |
| Robert W. Cairns | 1954 | chemist, executive director of the American Chemical Society |
| Edgar B. Calvert | | Principal meteorologist and chief of the Forecast Division, U.S. Weather Bureau |
| Charles R. Cameron | | U.S. Foreign Service |
| Frank Kenneth Cameron | 1895 | soil chemist with U.S. Department of Agriculture, professor at University of North Carolina |
| Edward Kernan Campbell | | chief judge of the Court of Claims |
| Marius Robinson Campbell | 1896 | geologist with the U.S. Geological Survey |
| Henry W. Cannon | 1884 | Comptroller General of the United States |
| Stephen Capps | | geologist, U.S. Geological Survey |
| Horace Capron | 1879 | United States Commissioner of Agriculture |
| David Carliner | | attorney with JAG Office Army, lecturer at the Harvard University Foreign Service Institute |
| Frances Carpenter | | Folklorist and photographer |
| Wilbur J. Carr | | assistant secretary of State, diplomat |
| William George Carr | | educator, executive secretary (chief administrator) of the National Education Association |
| William Kearney Carr | 1903 | Philosopher, physician, author |
| John Merven Carrère | 1905 | architect |
| Henry A. P. Carter | 1881 | businessman, politician, and diplomat in the Kingdom of Hawaii |
| Philip L. Cantelon | 1984 | academic, historian, co-founder and CEO of History Associates Incorporated |
| Thomas Lincoln Casey Jr. | 1894 | major with the Army Corps of Engineers and entomologist |
| James McKeen Cattell | 1902 | first professor of psychology in the U.S., editor of Science and Popular Science Monthly |
| Bruce Catton | | historian, author, and winner of the Pulitzer Prize for History |
| Joan R. Challinor | | chairperson of the National Commission on Libraries and Information Science |
| Thomas Chrowder Chamberlin | 1883–1889 | geologist, president University of Wisconsin, founder of The Journal of Geology |
| Steve Charnovitz | | Legal scholar, writer, educator |
| Hobart Chatfield-Taylor | 1902 | author, novelist |
| Victor King Chesnut | 1896 | botanist. U.S. Department of Agriculture; expert in poisonous and Native American plants |
| Colby Mitchell Chester | | U.S. Navy admiral |
| John White Chickering | 1878–1880 | Botanist, professor at Columbian Institution for Deaf and Dumb |
| George B. Chittenden | 1881 | Chief topographer for the San Juan division and director of the White River division of the U.S. Geological Survey |
| Hong-Yee Chiu | | astrophysicist at NASA/Goddard Space Flight Center |
| Martha E. Church | 1988 | geographer and president of Hood College |
| Earle H. Clapp | | forester |
| Alonzo Howard Clark | 1889 | naturalist, author, historian, secretary American Historical Association, Smithsonian Institution |
| Austin Hobart Clark | | zoologist, curator U.S. National Museum |
| Edgar E. Clark | | attorney |
| William Bullock Clark | 1895 | professor of geology at Johns Hopkins University |
| William Mansfield Clark | | chemist, academic, chief of the division of chemistry, U.S. Public Health Service |
| Bruce C. Clarke | 1968 | U.S. army general |
| Frank Wigglesworth Clarke | 1883 | chemist with the U.S. Geological Survey |
| Stanwood Cobb | | educator |
| Theodore I. Coe | | architect |
| Roberta Cohen | | executive director, International League for Human Rights; senior fellow Brookings Institution |
| William Colby | | CIA director |
| Charles Cleaves Cole | 1894–1895 | associate justice Supreme Court of the District of Columbia |
| William Byron Colver | | chairman, Federal Trade Commission; general editorial director, Scripps-Howard newspapers |
| Rita R. Colwell | 1988 | microbiologist |
| Arthur Compton | | physicist and winner of the Nobel Prize in Physics |
| Karl Taylor Compton | | physicist and president of Massachusetts Institute of Technology |
| Wilson Martindale Compton | | lawyer, president of the State College of Washington |
| Charles Arthur Conant | 1899 | assistant secretary of the U.S. Treasury, journalist, economist |
| James B. Conant | | chemist |
| David H. Condon | 1967–1996 | architect |
| Willis Conover | | radio producer, host of Voice of America's Music USA Jazz Hour |
| Holmes Conrad | 1895–1900, 1903 | attorney, Solicitor General of the United States |
| Nancy Conrad | | teacher, author |
| Joseph A. Conry | 1935 | consul of Russia; director of the Port of Boston; special attorney, U.S. Maritime Commission |
| Orator F. Cook | | botanist |
| Luis Felipe Corea | 1890–1902 | minister to the United States from Nicaragua, E. E. and M. P. of Nicaragua |
| Frederic René Coudert Sr. | 1897–1899 | lawyer |
| Elliott Coues | 1879 | ornithologist, secretary of the U.S. Geological and Geographical Survey of the Territories |
| Frederick Vernon Coville | 1892 | chief botanist with the U.S. Department of Agriculture |
| J. Harry Covington | | politician, Chief Justice of the Supreme Court of the District of Columbia |
| Allyn Cox | 1973 | painter |
| Thomas Craig | 1879–1890 | mathematician at Johns Hopkins University |
| William Crentz | 1962–2002 | Engineer and a national authority on fossil fuels |
| Oscar Terry Crosby | 1896 | electrician, assistant secretary of the U.S. Treasury, president of the World Federation League |
| Charles Whitman Cross | 1888 | geologist and petrologist with U.S. Geological Survey |
| George Crossette | | Chief of the geographic research division of the National Geographic Society |
| Barbara Culliton | | science journalist, news editor at Science, and deputy editor of Nature |
| Hugh S. Cumming | | surgeon general, U.S. Public Health Service |
| Harry F. Cunningham | | architect |
| Jabez Lamar Monroe Curry | 1895 | educator, diplomat, state politician, congressman |
| George Edward Curtis | 1889–1893 | meteorologist with U.S. Weather Bureau, photographer |
| William Eleroy Curtis | 1886 | journalist, author, director of the Bureau of the American Republics; Chief of the Latin American Department of the World's Columbian Exposition |
| William Parker Cutter | 1894 | chemist, chief of the order division of the Library of Congress; director of the U.S. National Agricultural Library |
| Charles William Dabney | 1894 | university president, assistant secretary at the U.S. Department of Agriculture |
| William Healey Dall | 1887 | naturalist, curator of mollusks, U.S. National Museum of Natural History |
| Joan Danziger | 2003 | sculptor |
| Nelson Horatio Darton | 1899 | geologist with U.S. Geological Survey |
| Joseph E. Davies | | Lawyer and diplomat |
| Arthur Powell Davis | 1895 | civil engineer and topographer with U. S. Geological Survey |
| Bancroft Davis | 1886–1892 | attorney, judge of the Court of Claims, Reporter of Decisions of the Supreme Court of the U.S. |
| Charles Henry Davis | 1878 | rear admiral of the U.S. Navy, worked on the United States Coast Survey |
| George Whitefield Davis | 1881–1885 | engineer and major general in the U.S. Army, governor of the Panama Canal Zone |
| James Cox Davis | | director general of the Federal Railroad Administration |
| John Davis | 1886–1887 | associate justice of the Court of Claims |
| Arthur Louis Day | | geophysicist; volcanologist; director Geophysical Laboratory, Carnegie Institution of Washington |
| David Talbot Day | 1889–1893, 1901 | chief of mining and mineral division, U.S. Geological Survey |
| Sara Day | 2014 | author of historical nonfiction |
| Frederic Adrian Delano | | railroad president, first Vice Chair of the Federal Reserve |
| John Howard Dellinger | | telecommunication engineer |
| Laura DeNardis | | endowed chair in technology, ethics, and society at Georgetown University |
| Tyler Dennett | | editor, writer, historian, recipient of the Pulitzer Prize for Biography or Autobiography |
| Leon E. Dessez | 1903 | architect |
| Dozier A. DeVane | | attorney and judge, U.S. District Court for the Northern District of Florida and U.S. District Court for the Southern District of Florida. |
| Arthur E. Dewey | 2003 | U.S. Assistant Secretary of State for Population, Refugees, and Migration |
| Lyster Hoxie Dewey | | botanist, U.S. Department of Agriculture |
| Roscoe DeWitt | | architect, one of the Monuments Men during World War II |
| Edwin Grant Dexter | | educator |
| Joseph Silas Diller | 1885 | assistant geologist with the U.S. Geological Survey, academic |
| Alvin E. Dodd | | consulting engineer and president of the American Management Association |
| Charles Richards Dodge | 1894 | Textile fiber expert, botanist with the Office of Fiber Investigation U.S. Department of Agriculture |
| Edward W. Donn Jr. | 1896 | architect |
| Marion Dorset | 1902 | chief, biochemical division of the Bureau of Animal Husbandry, U.S. Department of Agriculture |
| George Amos Dorsey | 1902 | ethnographer, professor, curator of the Field Museum of Natural History |
| Noah Ernest Dorsey | | physicist |
| Edward Morehouse Douglas | 1887 | geographer and topographer with the U.S. Geological Survey |
| Alexander Wilson Drake | 1884–1887 | artist, art director of The Century Magazine |
| Allen Drury | | writer and winner of the Pulitzer Prize |
| Horace Bookwalter Drury | | Economist, academic, author |
| Paul du Quenoy | | historian, professor, Fulbright scholar |
| Charles Benjamin Dudley | 1900 | chemist |
| William Ward Duffield | 1894–1897 | superintendent, U. S. Coast and Geodetic Survey |
| Arthur William Dunn | | national director of the Junior American Red Cross, college lecturer |
| Edward Dana Durand | 1903 | director of the United States Census Bureau |
| Clarence Dutton | 1878 | geologist with the U.S. Geological Survey |
| Theodore Frelinghuysen Dwight | 1878–1882 | librarian, archivist, and diplomat, a librarian with the U.S. Department of State |
| William Sylvester Eames | 1900 | architect |
| John Robie Eastman | 1878 | astronomer with Naval Observatory, professor of mathematics, U.S. Navy |
| Edward D. Easton | 1883–1902 | founder and president of the Columbia Phonograph Company |
| Burton Edelson | | U.S. Navy officer, associate administrator of NASA |
| Henry White Edgerton | | attorney, academic, judge U.S. Court of Appeals for the District of Columbia Circuit |
| John Joy Edson | 1896–1898 | president, Washington Loan & Trust Company |
| Lawrence Edwards | | innovator in aerospace and ground transportation |
| Maurice F. Egan | 1898 | Professor, author, diplomat |
| Edward Eggleston | 1901 | Novelist, historian |
| William Snyder Eichelberger | | astronomer, director of The Nautical Almanac, professor of mathematics U.S. Navy |
| Churchill Eisenhart | | mathematician; chief, Statistical Engineering Laboratory, National Bureau of Standards |
| Milton Courtright Elliott | | Lawyer and judge |
| Samuel Franklin Emmons | 1882–1892 | geologist with the U.S. Geological Survey, president of the Geological Society of America |
| Mordecai Thomas Endicott | 1896 | Civil engineer, chief of Yards and Docks Navy Department, father of the Civil Engineering Corps |
| Carl Engel | | pianist, composer, musicologist, chief of the music division of the Library of Congress |
| William Phelps Eno | | father of traffic safety |
| Jesse Frederick Essary | | journalist |
| Edward Trantor Evans | | senior topographer with the U.S. Geological Survey |
| Robley D. Evans | 1883–1901 | U.S. Navy admiral |
| Barton Warren Evermann | 1898 | ichthyologist, U. S. Commission of Fish and Fisheries |
| William M. Ewing | 1942 | geophysicist at the University of Texas, National Medal of Science recipient |
| David Fairchild | 1898 | Plant explorer and botanist, Bureau of Plant Industry U.S. Department of Agriculture |
| Tom Farer | | academic, author, and former president of the University of New Mexico |
| Guy Otto Farmer | | lawyer, chairman of the National Labor Relations Board |
| Arthur Briggs Farquhar | 1902 | Businessman and writer |
| John Barclay Fassett | 1886–1887 | Medal of Honor recipient |
| Oliver Lanard Fassig | 1893 | meteorologist with the U.S. Weather Bureau, professor at Johns Hopkins University |
| Clarence Norman Fenner | | geologist |
| Henry G. Ferguson | | geologist with U.S. Geological Survey |
| Thomas B. Ferguson | 1879–1880 | United States Ambassador to Sweden, assistant commissioner of Fish and Fisheries |
| Alan Fern | | scholar of American prints and photographs at the Library of Congress |
| Bernhard Fernow | 1887 | director, New York State College of Forestry, Cornell University; chief, U.S. Division of Forestry |
| Jesse Walter Fewkes | | chief, Bureau of Ethnology, Smithsonian Institution |
| George Wilton Field | | biologist |
| Albert Kenrick Fisher | 1902 | biologist, U.S. Department of Agriculture; ornithologist |
| Walter Kenrick Fisher | 1902 | biologist, U.S. Department of Agriculture; zoologist, evolutionary biologist, illustrator, and painter |
| John Fitterer | 1973 | educator and president of the Association of Jesuit Colleges and Universities |
| J. A. Henry Flemer | 1886–1888 | architect |
| James Milton Flint | 1880 | medical director, U. S. Navy; medical collection curator U.S. National Museum |
| Allen Ripley Foote | 1891 | political economist, author, and founder of the National Tax Association |
| Paul D. Foote | | physicist, U.S. Assistant Secretary of Defense for Research and Engineering |
| Kenneth M. Ford | | computer scientist |
| William H. Forwood | 1903 | surgeon general of the U.S. Army |
| John W. Foster | 1889 | Secretary of State, jurist, diplomat |
| William Dudley Foulke | 1902 | Civil service commissioner, literary critic, journalist, reformer |
| Harry Crawford Frankenfield | | senior meteorologist, U.S. Weather Bureau |
| John Hope Franklin | 1963 | historian |
| James E. Freeman | | Bishop of the Episcopal Diocese of Washington |
| Herbert Friedenwald | 1894 | author, historian, librarian, and secretary of the American Jewish Committee |
| Daniel Mortimer Friedman | | judge, U.S. Court of Appeals for the Federal Circuit; chief judge of the U.S.Court of Claims |
| Paul L. Friedman | | judge |
| Ed Frost | | sculptor |
| Thomas James Duncan Fuller Jr. | 1900 | architect |
| Ira Noel Gabrielson | | entomologist |
| Frank E. Gaebelein | 1965 | educator, author, editor of Christianity Today |
| Arthur Burton Gahan | | entomologist, U.S. Department of Agriculture |
| John Kenneth Galbraith | | economist |
| Edward Miner Gallaudet | 1878 | first president of Gallaudet University |
| Beverly Thomas Galloway | 1894 | chief of Bureau of Plant Industry, Department of Agriculture |
| Henry Gannett | 1878 | chief geographer-in-charge of topographic mapping U.S. Geological Survey |
| Samuel Gannett | 1891 | geographer, U.S. Geological Survey |
| Wilbur E. Garrett | 1966 | photographer, editor of National Geographic |
| Hampson Gary | | colonel, U.S. Army; lawyer, and diplomat |
| Georgie Anne Geyer | | journalist; syndicated columnist, television news analyst |
| Tatiana C. Gfoeller | | ambassador |
| Riccardo Giacconi | | astrophysicist and the winner of the Nobel Prize |
| Cass Gilbert | 1902 | architect |
| Grove Karl Gilbert | 1878 | geologist with the U.S. Geological Survey |
| Joseph Bernard Gildenhorn | 2013 | attorney, U.S. Ambassador to Switzerland |
| Theodore Gill | 1878 | Biologist, zoologist |
| Daniel Coit Gilman | 1878–1882, 1903 | president, Johns Hopkins University; president, Carnegie Institution of Washington |
| Charles C. Glover | 1887–1891, 1903 | treasurer, Corcoran Gallery of Art; banker |
| Martin B. Gold | 2000 | lobbeyist |
| Arthur J. Goldberg | | U.S. Secretary of Labor, U.S. Supreme Court Justice, and Ambassador to the United Nations |
| Joseph Goldberger | | epidemiologist and surgeon, U.S. Public Health Service |
| Edward Alphonso Goldman | | biologist |
| Frank Austin Gooch | 1884–1886 | chemist and engineer |
| George Brown Goode | 1881 | ichthyologist and assistant secretary of the Smithsonian Institution |
| Richard Urquhart Goode | 1886 | geographer and topographer with the U.S. Geological Survey |
| Elliot Hersey Goodwin | | vice president and secretary of the United States Chamber of Commerce |
| James Howard Gore | 1883 | geodesist, author, and professor of mathematics at the Columbian University |
| Carol Graham | 2008 | Economist, Leo Pasvolsky Senior Fellow at the Brookings Institution |
| Henry S. Graves | 1898–1901 | chief of the United States Forest Service, co-founded the Yale Forest School |
| Horace Gray | 1882 | U.S. Supreme Court justice |
| John H. Gray | | Economist, academic |
| William B. Greeley | | chief of the United States Forest Service |
| Adolphus Greely | 1887 | polar explorer, brigadier general and chief signal officer in the U. S. Army |
| William R. Green | | congressman, judge of the Court of Claims |
| Edward Lee Greene | 1895–1902 | professor of botany, Catholic University |
| Charles Ravenscroft Greenleaf | 1889–1903 | assistant surgeon general and brigadier general, U. S. Army |
| James Leal Greenleaf | | Landscape architect and civil engineer |
| Willis Ray Gregg | | meteorologist and chief of the U.S. Weather Bureau |
| Robert Fiske Griggs | | botanist, academic, head of National Geographic Society |
| Gilbert M. Grosvenor | 1901 | president and chairman of the National Geographic Society, editor of National Geographic |
| Nathan Clifford Grover | | chief hydraulic engineer, U.S. Geological Survey; academic |
| John M. Grunsfeld | | astronaut and astronomer |
| Francis M. Gunnell | 1878 | Surgeon General U.S. Navy |
| Alexander Burton Hagner | 1883 | associate justice Supreme Court District of Columbia |
| Arnold Hague | 1884 | geologist, U. S. Geological Survey |
| Benjamin F. Hake | | geologist and general manager of Gulf Oil Company of Bolivia |
| Asaph Hall Jr. | 1890–1895 | astronomer |
| Henry Clay Hall | | attorney and commissioner of the Interstate Commerce Commission |
| Percival Hall | | president of Gallaudet University |
| William Hallock | 1885–1886 | physicist, U. S. Geological Survey |
| Stefan Halper | | Foreign policy scholar |
| Walton Hale Hamilton | | economist and professor at Yale Law School |
| Charles Sumner Hamlin | 1879 | Assistant Secretary of the Treasury |
| John Hays Hammond | | Mining engineer, diplomat |
| Hugh S. Hanna | | president, The Capital Transit Company |
| George Wallace William Hanger | 1902 | chief clerk, Department of Labor; U.S. Board of Mediation |
| Norman Hapgood | | writer, journalist, editor, critic, and an American minister to Denmark |
| William Hard | | Social reformist and journalist |
| William Harkness | 1878 | astronomer, professor of mathematics for the U. S. Navy |
| James S. Harlan | | attorney |
| Mark Walrod Harrington | 1891–1898 | chief of Weather Bureau, U.S. Department of Agriculture |
| Albert L. Harris | | architect |
| William Torrey Harris | 1890 | commissioner of education, U.S. Department of Interior; educator, lexicographer |
| Albert Bushnell Hart | | academic, historian, writer, and editor |
| Frederick Hart | 1983 | Sculptor, and designer of the soldiers at the Vietnam Veterans Memorial |
| Thomas Hastings | 1918–1919 | architect |
| George Wesson Hawes | 1881 | geologist, curator U.S. National Museum |
| Joseph Roswell Hawley | 1887–1890 | congressman, senator, Governor of Connecticut |
| William Perry Hay | 1900 | zoologist, professor of natural sciences at Howard University |
| Edward Everett Hayden | 1885 | naval officer, meteorologist with the Smithsonian Institution and the US Geological Survey |
| Charles Willard Hayes | 1892 | geologist, U. S. Geological Survey |
| Harvey C. Hayes | | pioneer in underwater acoustics, superintendent of Naval Research Laboratory Sound Division |
| Helen Hayes | 1988 | actress |
| John Fillmore Hayford | 1898 | assistant, U. S. Coast and Geodetic Survey |
| William Babcock Hazen | 1884 | brigadier general, Chief Signal Officer, U. S. Army |
| A. G. Heaton | 1886 | artist, painter |
| Arthur B. Heaton | | architect |
| Nicholas H. Heck | | geophysicist and officer of the United States Coast and Geodetic Survey Corps |
| Carl Heinrich | | entomologist, U.S. Department of Agriculture and U.S. National Museum |
| Henry Henshaw | 1878 | ornithologist and ethnologist with the Bureau of American Ethnology |
| Christian A. Herter Jr. | | politician, vice president of Mobil Oil Company |
| Charles M. Herzfeld | | scientist and director of DARPA |
| Donnel Foster Hewett | | geologist, U.S. Geological Survey |
| Francis J. Higginson | 1883–1896 | rear admiral in the U.S. Navy |
| Julius Erasmus Hilgard | 1882–1883 | superintendent, United States Coast and Geodetic Survey |
| Charles E. Hill | | professor and administrator at George Washington University, international law expert |
| David Jayne Hill | 1898 | Assistant Secretary of State, U. S. Minister to Switzerland |
| James G. Hill | 1893 | architect, head of the Office of the Supervising Architect, U.S. Department of the Treasury |
| Joseph Adna Hill | 1900 | statistitian and chief of the division, U.S. Census Office |
| Nathaniel P. Hill | 1883 | senator, professor of Brown University, mining engineer |
| Samuel Hill | 1895–1900 | lawyer, railroad executive, president Minneapolis Trust Co. |
| Robert Cutler Hinckley | 1886–1887 | artist |
| A. S. Hitchcock | | agrostologist and senior botanist with the U.S. Department of Agriculture |
| Frank Harris Hitchcock | 1901 | chief, section of foreign markets, U.S. Department of Agriculture, U.S. Postmaster General |
| William Hitz | | associate justice, U.S. Court of Appeals for the District of Columbia and Supreme Court of the District of Columbia |
| Frederick Webb Hodge | 1898 | international exchanges, Smithsonian Institution; anthropologist, archaeologist, and historian |
| Howard Lincoln Hodgkins | 1895 | professor of mathematics, Columbian University |
| Samuel B. Holabird | 1887–1889 | brigadier general, quartermaster general, U. S. Army |
| Edward S. Holden | 1878 | astronomer and professor of mathematics for U. S. Navy |
| William Jacob Holland | 1900 | zoologist' director, Carnegie Museum of Natural History; chancellor, University of Pittsburgh |
| Herman Hollerith | 1886 | statistician, inventor |
| Ned Hollister | | biologist and superintendent of the National Zoological Park |
| Joseph Austin Holmes | 1902 | geologist, first director of the U.S. Bureau of Mines |
| Oliver Wendell Holmes | | archivist and historian |
| William Henry Holmes | 1878 | chief, Bureau of American Ethnology; illustrator, U.S. Geological Survey; archaeologist,Smithsonian Institution |
| Judy Holoviak | 1999 | director of publications at the American Geophysical Union |
| Calvin B. Hoover | | Economist and academic |
| Herbert Hoover | 1921–1964 | president of the United States |
| Andrew Delmar Hopkins | 1903 | entomologist, investigator of foliage insects of the U.S. Department of Agriculture |
| Stanley Hornbeck | | Economist, author, professor, diplomat |
| William Temple Hornaday | 1888–1890 | taxidermist, U. S. National Museum; zoologist; first director of the New York Zoological Park |
| Joseph Coerten Hornblower | 1883 | architect |
| George Horton | | consul general, U.S. Foreign Service |
| Walter Hough | 1890 | ethnologist, anthropologist, curator of anthropology at the U.S. National Museum |
| Riley D. Housewright | | microbiologist |
| Richard Hovey | 1893 | poet |
| Leland Ossian Howard | 1886–1950 | entomologist, chief of the Division of Entomology, Department of Agriculture |
| Harrison E. Howe | | chemical engineer, head of the Division of Research Extension, National Research Council, |
| William Wirt Howe | 1899 | associate justice Louisiana Supreme Court |
| Alfred Brazier Howell | | comparative anatomist, zoologist |
| Edwin E. Howell | 1891 | Geologist, relief map maker |
| Henry W. Howgate | 1878 | U.S. Army Signal Corps officer and Arctic explorer |
| Henry L. Howison | 1883–1884 | rear admiral, U.S. Navy; professor and department head, United States Naval Academy |
| Richard L. Hoxie | | brigadier general in the United States Army |
| Gardiner Greene Hubbard | 1883 | lawyer, president of the National Geographic Society |
| Henry Guernsey Hubbard | 1884 | entomologist, U.S. Department of Agriculture |
| J. Stephen Huebner | 1973 | research geologist with the U.S. Geological Survey |
| Edgar Erskine Hume | | physician, a major general in the U.S Army medical corps |
| Paul Hume | | music critic |
| Harry Baker Humphrey | | botanist, pathologist with the U.S. Department of Agriculture |
| Edward Eyre Hunt Jr. | | academic, physical anthropologist and human biologist |
| William Jackson Humphreys | | Physicist and atmospheric researcher |
| Gaillard Hunt | 1894–1897 | state department, author |
| Thomas Sterry Hunt | 1887 | chemist, geologist, mineralogist |
| Benjamin Hutto | | musician specializing in writing, producing and directing choral music |
| James A. Hyslop | | entomologist, U.S. Bureau of Entomology and Plant Quarantine. |
| Joseph P. Iddings | 1885 | professor of petrology, University of Chicago |
| M. Thomas Inge | | academic |
| Ernest Ingersoll | 1882 | Naturalist, writer, explorer |
| Ketanji Brown Jackson | | U.S. Supreme Court justice |
| William Henry Jackson | | Photographer, painter |
| Elaine Jaffe | 1988 | physician; pathologist; National Cancer Institute, National Institutes of Health |
| A. Everette James Jr. | 1981–2017 | radiologist, academic, and founder of the Center for Medical Imaging Research |
| J. Franklin Jameson | | historian, director of the department of historical research, Carnegie Institution of Washington |
| William Marion Jardine | | United States Secretary of Agriculture, U.S. Minister to Egypt |
| Jeremiah Jenks | 1903 | professor of economics at Cornell University |
| Emory Richard Johnson | 1900 | economist, Isthmian Canal Commissioner |
| Nelson T. Johnson | | ambassador, diplomat |
| Andrieus A. Jones | | Senator, lawyer |
| Ernest Lester Jones | | Director of the United States Coast and Geodetic Survey, father of the Coast and Geodetic Survey Corps, which later became the NOAA Commissioned Corps |
| H. McCoy Jones | 1969 | president of the International Hajji Baba Society, oriental rug collector |
| Neil Judd | | curator of American archaeology, U.S. National Museum |
| Julius Kaplan | 1983 | art historian |
| Walter Karig | | Officer in charge of the Navy Narrative History Project, assistant director of Navy public relations |
| Samuel Hay Kauffman | 1881 | publisher, editor of the Evening Star |
| Rudolph Kauffmann | | managing editor Evening Star, vice president Evening Star Company |
| Thomas Henry Kearney | 1901 | botanist and agronomist, U.S. Department of Agriculture |
| Robert V. Keeley | 1985 | diplomat |
| Arthur Keith | | geologist, U.S. Geological Survey |
| Vernon Lyman Kellogg | | secretary, National Research Council; entomologist |
| Brian Kelly | 2013 | author, journalist, editor |
| George Kennan | 1879–1885 | Explorer, author, lecturer |
| George F. Kennan | | Diplomat and historian |
| Frederick C. Kenyon | 1897 | zoologist and anatomist |
| Washington Caruther Kerr | 1882–1884 | State Geologist of North Carolina |
| Mary Dublin Keyserling | 1988 | economist |
| Jerome H. Kidder | 1879 | surgeon, astronomer with Smithsonian Institution and Naval Research Laboratory |
| James J. Kilpatrick | | Journalist, newspaper columnist |
| Sumner Increase Kimball | 1887 | politician, superintendent United States Life Savings Service |
| William Wirt Kimball | 1879–1880 | U.S. naval officer and an early pioneer in the development of submarines |
| Albert Freeman Africanus King | 1880 | physician |
| Clarence King | 1878–1881 | first director of the U.S. Geological Survey |
| Henry Kissinger | | United States Secretary of State and winner of the Nobel Prize |
| Jacques Paul Klein | | Senior Foreign Service Officer (Ret.); Under-Secretary-General of the United Nations (Ret.); Major General of the USAF (Ret.) |
| Ernest Knaebel | | lawyer, reporter of decisions of the United States Supreme Court |
| Martin Augustine Knapp | 1893 | chairman, Interstate Commerce Commission; United States circuit judge |
| Frank Knowlton | 1890 | paleontologist, U. S. Geological Survey |
| John Jay Knox Jr. | 1878 | Comptroller of the Currency, U.S. Treasury Department |
| Simmie Knox | 2006 | Painter, portraitist |
| George M. Kober | | physician, author, namesake of George M. Kober Medal and Lectureship |
| John Oliver La Gorce | | editor, National Geographic Society |
| Carol C. Laise | 1988 | director of Georgetown University Institute for the Study of Diplomacy; Ambassador to Nepal |
| Theodore Frederick Laist | 1901 | architect; chief architect central district, Interstate Commerce Commission |
| Samuel Langley | 1880 | physicist, astronomer, Secretary of the Smithsonian |
| Walter H. Larrimer | | entomologist; chief, Bureau of Entomology, U.S. Department of Agriculture |
| Carl. W. Larson | | Chief, Bureau of Dairy Industry, U.S. Department of Agriculture; director, National Dairy Council |
| James Laurence Laughlin | | Economist, academic |
| Thelma Z. Lavine | | Philosopheracademic |
| Luther Morris Leisenring | | architect |
| Levi Leiter | 1883 | capitalist, co-founded Marshall Field & Company |
| Peter P. Lejins | 1970 | educator, criminologist, director of the National Institute of Criminal Justice and Criminology |
| Waldo Gifford Leland | | historian and archivist, Carnegie Institution and Library of Congress |
| Samuel Conrad Lemly | 1884–1890 | Judge Advocate General of the Navy |
| Harvey J. Levin | 1986 | economist |
| Francis E. Leupp | 1885–1894, 1902 | journalist, New York Evening Post assistant editor, Commissioner of Indian Affairs |
| David C. Levy | | president and director of the Corcoran Gallery of Art and Corcoran College of Art and Design |
| George W. Lewis | | director, Aeronautical Research, National Advisory Committee for Aeronautics |
| Sinclair Lewis | | writer, playwright, and winner of the Nobel Prize |
| William Mather Lewis | | teacher, university president, state and national government official |
| Manuel de Oliveira Lima | | Brazilian writer, literary critic, diplomat, historian, and journalist |
| Samuel C. Lind | | radiation chemist, the father of modern radiation chemistry |
| Waldemar Lindgren | 1896 | geologist, U. S. Geological Survey |
| Michael C. Linn | | Attorney and businessman |
| Sol Linowitz | 1994 | lawyer |
| Walter Lippmann | | journalist and winner of the Pulitzer Prize winner |
| George W. Littlehales | 1900 | hydrographic engineer, Navy Department |
| Arthur H. Livermore | | professor of biochemistry at Cornell University and Reed College |
| Charles S. Lobingier | | International judge, author, and law instructor |
| Edwin Chesley Estes Lord | 1895 | geologist and petrologist with U.S. Geological Survey |
| Max O. Lorenz | | economist and statistician |
| Alan David Lourie | | U.S. circuit judge, chemist |
| Alfred Maurice Low | 1898 | journalist |
| Isador Lubin | | head, U.S. Bureau of Labor Statistics |
| Anthony Francis Lucas | 1893 | engineer, explorer |
| Robert Luce | | Congressman, writer, |
| William Ludlow | 1883–1888 | major, U.S. Army Corps of Engineers; major general U.S. Army |
| David Alexander Lyle | 1887 | major, Ordnance Department, U.S. Army; inventor of the Lyle gun |
| Theodore Lyman III | 1884–1885 | Natural scientist, congressman |
| Frank Lyon | | lawyer, newspaper publisher, and land developer |
| Arthur MacArthur Sr. | 1888–1893 | associate justice, Supreme Court District of Columbia; Governor of Wisconsin |
| Alexander Mackay-Smith | 1893–1903 | bishop of the Episcopal Diocese of Pennsylvania |
| Archibald MacLeish | | poet, Librarian of Congress, and winner of a Pulitzer Prize |
| Garrick Mallery | 1878 | ethnologist at the Smithsonian Institution |
| Charles M. Manly | 1899 | engineer |
| Charles A. Mann | 1887 | Lawyer and politician |
| Parker Mann | 1887–1890, 1894–1899 | artist |
| Van H. Manning | 1893 | director of the U.S. Bureau of Mines |
| George Rogers Mansfield | | geologist, U.S. Geological Survey |
| Curtis F. Marbut | | Director of the Soil Survey Division of the U.S. Department of Agriculture |
| Deanna B. Marcum | 1994 | librarian, president of the Council on Library and Information Resources |
| Hans Mark | | professor of aerospace engineering, U.S. Secretary of the Air Force |
| Ronald A. Marks | | senior official with the Central Intelligence Agency |
| Charles Lester Marlatt | 1894 | chief of the Bureau of Entomology |
| Harry A. Marmer | | engineer, mathematician, and oceanographer with the United States Coast and Geodetic Survey |
| Fred Maroon | | photographer |
| Charles Dwight Marsh | | botanist; physiologist, U.S. Department of Agriculture |
| William Johnston Marsh | 1895 | architect |
| James Rush Marshall | 1883 | architect |
| H. Newell Martin | 1878–1880 | physiologist, professor of biology at Johns Hopkins University |
| Robert S. Martin | | librarian, archivist, administrator, and professor |
| Susan K Martin | 1988 | librarian; executive director, National Commission on Libraries and Information Science |
| Charles F. Marvin | 1890 | professor of meteorology; chief, U.S. Weather Bureau |
| Otis Tufton Mason | 1878–1898 | ethnologist; curator, U.S. National Museum |
| Stephen Mather | | first director of the National Park Service |
| François E. Matthes | | geologist, U.S. Geological Survey |
| Washington Matthews | 1884–1900 | surgeon in the United States Army, ethnographer, and linguist |
| Philip Mauro | 1894 | lawyer |
| George Hebard Maxwell | 1899 | lawyer, lobbyist, executive chairman National Irrigation Association |
| O. Louis Mazzatenta | 2011 | photographer and editor with National Geographic |
| Addams Stratton McAllister | | Physicist, electrical engineer, |
| John S. McCain Jr. | | United States Navy admiral |
| S. S. McClure | 1892 | co-founder and editor of McClure's |
| Richard Cunningham McCormick | 1896–1899 | governor of Arizona Territory, congressman, journalist |
| George Walter McCoy | | director of the National Institute of Health |
| Walter I. McCoy | | chief justice of the D.C. Supreme Court |
| Arthur Williams McCurdy | 1898 | inventor, astronomer |
| William John McGee | 1885 | ethnologist, Smithsonian Institution |
| John P. McGovern | 1953–2007 | allergist and philanthropist |
| Gerald S. McGowan | | lawyer, U.S. Ambassador to Portugal |
| Jonas H. McGowan | 1902 | Lawyer, congressman |
| Frederick Banders McGuire | 1883–1901 | director Corcoran Art Gallery |
| Charles Follen McKim | 1902 | architect |
| William B. McKinley | | U.S. Senator, U.S. Representative |
| Ann Dore McLaughlin | 1988 | U.S. Secretary of Labor |
| Robert McNamara | | U.S. Secretary of Defense |
| Elwood Mead | 1903 | irrigation engineer, head of United States Bureau of Reclamation |
| Milton Bennett Medary | | architect |
| Oscar Edward Meinzer | | hydrogeologist |
| Thomas Corwin Mendenhall | 1885 | superintendent U. S. Coast and Geodetic Survey; president Worcester Polytechnic Institute |
| Walter Curran Mendenhall | 1902 | director of the US Geological Survey |
| Clinton Hart Merriam | 1886 | chief U.S. Biological Survey, U.S. Department of Agriculture |
| John Campbell Merriam | | paleontologist |
| William Rush Merriam | 1899–1900 | director of the U.S. Census, governor of Minnesota |
| George Perkins Merrill | 1893 | curator, department of geology, U.S. National Museum |
| Edmund Clarence Messer | 1902 | artist |
| Balthasar H. Meyer | | Interstate Commerce Commission, economist, academic |
| Eugene Meyer | | chairman of the Federal Reserve, publisher of The Washington Post |
| Ellen Miles | 2005 | curator of the National Portrait Gallery |
| Christine Odell Cook Miller | | judge, U.S. Court of Federal Claims |
| Eleazar Hutchinson Miller | 1893–1899 | artist |
| Gerrit Smith Miller Jr. | 1903 | biologist, assistant curator of mammals, U.S. National Museum |
| Warren L. Miller | | chairman, U.S. Commission for the Preservation of America's Heritage Abroad |
| John D. Millett | | chancellor, Miami University; senior vice president, Academy for Educational Development |
| Robert Andrews Millikan | | physicist and recipient of the Nobel Prize in Physics |
| Harry A. Millis | | economist, educator, chairman of the National Labor Relations Board |
| Arthur Millspaugh | | Administrator general of the finance of Persia |
| George Heron Milne | | Librarian and chief of the Congressional Reading Room |
| Cosmos Mindeleff | 1887 | journalist |
| Charles Sedgwick Minot | 1902 | anatomist and a founding member of the American Society for Psychical Research |
| Betty C. Monkman | 2004 | curator of the White House |
| Charles Moore | 1891 | Journalist, historian, city planner, and clerk to the Senate Committee on the District of Columbia |
| George Thomas Moore | 1903 | botanist, plant physiologist, algologist, U.S. Department of Agriculture |
| John Moore | 1887 | Surgeon General of the U.S. Army |
| John Bassett Moore | 1887 | judge, Assistant Secretary of State, professor of law and diplomacy at Columbia University |
| Veranus Alva Moore | 1895 | professor of comparative pathology and bacteriology, Cornell University |
| Willis Luther Moore | 1895 | chief of the weather bureau, U.S. Department of Agriculture |
| George W. Morey | | geochemist, physical chemist, mineralogist, and petrologist |
| Sylvanus Morley | | archaeologist |
| Edward Lyman Morris | | botanist, curator of the Brooklyn Institute of Arts and Sciences |
| Edward Lind Morse | 1902 | artist |
| Harold G. Moulton | | economist |
| Charles Edward Munroe | 1882–1885, 1892 | chemistry professor, Columbian University |
| Denys Peter Myers | 1977–2003 | architectural historian with National Park Service, part of the Monuments Men team |
| Charles Willis Needham | 1894 | president George Washington University; solicitor, Interstate Commerce Commission |
| Charles P. Neill | 1900 | economist, U.S. Commissioner of Labor; professor of political economy, Catholic University |
| Edward William Nelson | 1882–1883, 1903 | naturalist and ethnologist, chief of the U.S. Bureau of Biological Survey |
| Henry Clay Nelson | 1883 | medical inspector and assistant surgeon general of the U.S. Navy |
| Edwin Lowe Neville | | diplomat |
| W. Coleman Nevils | | Jesuit educator |
| John Strong Newberry | 1878 | professor of geology and paleontology at Columbia University School of Mines |
| Simon Newcomb | 1880 | rear admiral, professor at the Naval Observatory and Georgetown University |
| Frederick Haynes Newell | 1890 | chief, division of hydrography, U. S. Geological Survey; director, U.S. Bureau of Reclamation |
| Oliver Peck Newman | | president of the Board of Commissioners of the District of Columbia; journalist |
| David George Newton | | United States Ambassador to Iraq and Yemen |
| Hobart Nichols | 1902–1962 | painter; paleontologic draftsman, U.S. Geological Survey |
| Nathaniel B. Nichols | | illustrator with U.S. Geological Survey and Bureau of American Ethnology |
| Harald Herborg Nielsen | 1954 | physicist |
| Charles Nordhoff | 1880–1883, 1888 | Journalist, author |
| Thaddeus Norris | 1894–1897 | writer, father of American fly fishing |
| S. N. D. North | 1899 | director of the U.S. Census, statistician |
| Janet L. Norwood | 1988 | economist, statistician, U.S. Commissioner of Labor Statistics |
| Crosby Stuart Noyes | 1884 | editor and publisher of the Washington Evening Star |
| Theodore W. Noyes | 1887 | editor the Washington Evening Star |
| William A. Noyes | 1903 | chemist, professor of chemistry at the University of Illinois at Urbana-Champaign |
| Perley G. Nutting | | optical physicist and the founder of the Optical Society of America |
| Harry C. Oberholser | | ornithologist |
| Robert Lincoln O'Brien | 1899 | journalist, chairman of U.S. Tariff Commission |
| Stephen J. O'Brien | | geneticist |
| Sandra Day O'Connor | | U.S. Supreme Court justice |
| Paul Henry Oehser | | journalist |
| Goetz Oertel | | physicist |
| Herbert Gouverneur Ogden | 1889 | civil engineer, inspector of hydrography and topography, United States Coast and Geodetic Survey |
| Frederick E. Olmsted | 1902 | forester and agent with the Bureau of Forestry, U.S. Department of Agriculture |
| Frederick Law Olmsted Jr. | 1917–1957 | landscape architect |
| Mark Olshaker | | author |
| Frederick I. Ordway III | | Air space scientist, author, educator |
| William Allen Orton | | Plant pathologist, Director of the Tropical Research Foundation |
| Henry Fairfield Osborn | 1894 | academic, president of the American Museum of Natural History |
| Wilfred Hudson Osgood | 1901 | zoologist; staff with Division of Biological Survey, U.S. Department of Agriculture |
| Joseph H. Outhwaite | 1886–1893 | Lawyer and congressman |
| Robert Latham Owen | 1899 | Senator for Oklahoma |
| Robert Oxnam | | Writer and academic |
| Harvey L. Page | 1880 | architect |
| Thomas Nelson Page | 1885 | author and U.S. Ambassador to Italy |
| William Nelson Page | | Civil engineer and industrialist |
| Sidney Paige | | geologist, faculty of Columbia University |
| Alajos Paikert | 1901–1903 | farmer, lawyer, director of the Museum of Hungarian Agricultural |
| Theodore Sherman Palmer | 1885 | co-founder of the National Audubon Society |
| Stefan Panaretov | | Diplomat and professor |
| Walter Paris | 1883–1885 | artist |
| John Parke | 1878–1880 | colonel with the U.S. Army Corps of Engineers, general in the Civil War |
| Charles Lathrop Parsons | | chemist |
| William Ordway Partridge | 1894 | sculptor |
| Leo Pasvolsky | | Journalist, economist |
| Stewart Paton | 1903 | educator and physician specializing in neuropsychiatry |
| Richard North Patterson | | novelist |
| Raymond Stanton Patton | | director of the United States Coast and Geodetic Survey, rear admiral |
| Charles O. Paullin | | author, naval historian |
| George Foster Peabody | 1896 | banker |
| Albert Charles Peale | 1883 | geologist, mineralogist, paleobotanist, Section of Paleobotany U.S. National Museum |
| Raymond Allen Pearson | 1897 | Assistant, Dairy Division, U.S. Department of Agriculture; college president |
| Horace Peaslee | 1926–1959 | architect |
| Dallas Lynn Peck | | director of the U.S. Geological Survey |
| William Thomas Pecora | | director of the U.S. Geological Survey |
| Stanton J. Peelle | | Politician and jurist |
| R. A. F. Penrose Jr. | 1889–1897 | geologist with the U. S. Geological Survey |
| Jack Perlmutter | | artist, printmaker |
| Joseph E. Pesce | 2010 | astrophysicist |
| William John Peters | 1889 | topographer, U. S. Geological Survey, explorer |
| Esther Peterson | 1988 | consumer advocate; United Nations representative |
| Ivan Petrof | 1881–1885 | Writer, translator, and statistician of Alaska for the U.S. Census |
| Duncan Phillips | | art collector and critic who played a seminal role in introducing modern art to America |
| Walter P. Phillips | 1882–1888 | head of the United Press International, journalist, telegrapher, and inventor |
| Thomas R. Pickering | | diplomat |
| Ulysses Grant Baker Pierce | 1901 | Unitarian minister who served as Chaplain of the United States Senate |
| Theodore Wells Pietsch I | 1902 | architect; designer, Office Supervising Architect, U.S. Treasury Department |
| Charles Snowden Piggot | | chemist and geophysicist, one of the founding fathers of ocean-bottom marine research |
| James Pilling | 1879 | ethnologist, Bureau of Ethnology |
| Michael Pillsbury | | Strategist and expert on China |
| Gifford Pinchot | 1897–1946 | chief forester of the U.S. Department of Agriculture |
| Edmund Platt | | congressman, vice chairman of the Federal Reserve |
| Michael Pocalyko | | Businessman and writer |
| Forrest Pogue | | military historian |
| William Mundy Poindexter | 1883 | architect |
| Charles Louis Pollard | 1900 | botanist, assistant curator for the U.S. Department of Agriculture, Division of Botany |
| John Addison Porter | 1884–1888 | clerk to Senate Committee; Secretary to the President, journalist |
| George B. Post | 1903 | architect |
| Louis F. Post | | Assistant United States Secretary of Labor |
| John Wesley Powell | 1878 | director of the U.S. Geological Survey, director Bureau of American Ethnology |
| William Bramwell Powell | 1886–1901 | educator |
| Frederick Belding Power | | Research chemist and academic |
| Frank Presbrey | 1892–1894 | pioneering advertiser |
| Overton Westfeldt Price | 1902 | assistant chief, Forestry Division, U.S. Department of Agriculture |
| William Jennings Price | | professor of law Georgetown University; Envoy Extraordinary and Minister Plenipotentiary (Panama) |
| Irwin G. Priest | | Chief of Colorimetry Section Bureau of Standards |
| Henry Smith Pritchett | 1878–1880, 1897 | astronomer, university president, superintendent of United States Coast and Geodetic Survey |
| John Robert Procter | 1894 | geologist, Kentucky State geolostic survey, civil service commissioner |
| Raphael Pumpelly | 1889–1894 | Geologist, author, explorer |
| Edmund R. Purves | | architect |
| Merlo J. Pusey | | journalist |
| Herbert Putnam | 1900 | Librarian of Congress |
| Frederic Bennett Pyle | 1900 | architect |
| Altus Lacy Quaintance | | Entomologist and associate chief of the U.S. Bureau of Entomology |
| Wallace Radcliffe | | pastor of the New York Avenue Presbyterian Church, moderator of the General Assembly of the Presbyterian Church |
| Jackson H. Ralston | | Lawyer, professor of international law |
| John Hall Rankin | 1902 | architect |
| Frederick Leslie Ransome | 1899 | geologist, U.S. Geological Survey |
| Richard Rathbun | 1883 | biologist and assistant secretary of the Smithsonian Institution |
| George Lansing Raymond | 1898 | professor of esthetics, Princeton University |
| Mila Rechcigl | | researcher |
| Walter Reed | 1893 | U.S. Army physician and surgeon |
| John Bernard Reeside Jr. | | geologist and paleontologist, U.S. Geological Survey |
| Alan Reich | | deputy assistant Secretary of State for Educational and cultural affairs |
| Ira Remsen | 1878–1882 | chemist and president of Johns Hopkins University |
| James Burton Reynolds | | banker, Assistant Secretary of the Treasury |
| Joseph J. Reynolds | 1886 | colonel, cavalry, U.S. Army; engineer, and educator |
| C. Allen Thorndike Rice | 1879 | journalist and the editor and publisher of the North American Review |
| George S. Rice | | Chief, Mining Division, U.S. Bureau of Mines |
| Joseph Mayer Rice | 1897 | physician, editor of The Forum magazine |
| Lois Rice | 1988 | Education policy scholar |
| William Gorham Rice | 1896 | Civil Service Commissioner, author |
| George Burr Richardson | 1902 | field geologist with U.S. Geological Survey |
| Charles Valentine Riley | 1878 | pioneer in entomology, curator of insects at the U.S. National Museum |
| Arthur Cuming Ringland | | forester, conservationist, and founder of CARE |
| Sidney Dillon Ripley II | | ornithologist, secretary of the Smithsonian Institution |
| Charles Ritcheson | | historian, diplomat, and university administrator |
| William Emerson Ritter | | Zoologist, biologist |
| Ellis H. Roberts | | Treasurer of the United States, congressman |
| George E. Roberts | 1901 | director of the United States Mint |
| Beverly Robertson | 1886–1890 | cavalry officer in the United States Army |
| George M. Robeson | 1883–1886 | Secretary of the Navy, congressman |
| Thomas Ralph Robinson | | horticulturalist |
| Nelson Rockefeller | | Vice President of the United States |
| William Woodville Rockhill | 1901 | diplomat, director Bureau American Republics |
| Lore Alford Rogers | | bacteriologist, Bureau of Dairy Industry, U.S. Department of Agriculture |
| Sievert Allen Rohwer | | entomologist |
| Nina Roscher | 1988 | Professor of chemistry at American University |
| Edward Bennett Rosa | 1902 | physicist, U.S. Bureau of Standards |
| Milton J. Rosenau | 1902 | professor and assistant surgeon, Public Health and Marine Hospital Service |
| Joseph Nelson Rose | 1893 | assistant curator, Department of Botany, U.S. National Museum |
| John F. Ross | 2000 | Historian and author |
| Abbott Lawrence Rotch | 1891 | meteorologist, Blue Hill Meteorological Observatory |
| Leo Stanton Rowe | 1901 | professor at the University of Pennsylvania, director general of the Pan-American Union |
| Henry Augustus Rowland | 1878–1887 | physicist and Johns Hopkins educator |
| George Rublee | | lawyer |
| Walter Rundell Jr. | | Historian, archivist, and author |
| William Edwin Safford | | botanist |
| Carl Sagan | | Astrophysicist, cosmologist, and author |
| Daniel Elmer Salmon | 1884 | veterinarian; chief Bureau Animal Industry, Department of Agriculture |
| William Salomon | 1897 | banker |
| Henry Y. Satterlee | 1903 | Bishop of Washington, Episcopal Church |
| Rufus Saxton | 1889–1891 | colonel, assistant Quartermaster General, U.S. Army |
| Antonin Scalia | 19xx–1985 | U.S. Supreme Court Justice |
| Rudolf E. Schoenfeld | 1952–1981 | ambassador |
| James Brown Scott | | authority on international law, author, secretary of the Carnegie Endowment for International Peace |
| Frank Charles Schrader | 1903 | geologist with U.S. Geological Survey, professor at Harvard University |
| Charles Schuchert | 1895 | invertebrate paleontologist, assistant curator for U.S. National Museum |
| Carol Schwartz | 1989 | politician |
| Eugene Amandus Schwarz | 1889 | entomological investigator, U.S. Department of Agriculture |
| Emil Alexander de Schweinitz | 1889 | director of biochemical laboratory, U.S. Department of Agriculture |
| Glenn T. Seaborg | | chemist and winner of the Nobel Prize |
| William Henry Seaman | 1887 | examiner, U.S. Patent Office; a federal judge |
| George Mary Searle | 1890–1894 | Catholic priest and professor of astronomy, Catholic University |
| Atherton Seidell | | founder of the American Documentation Institute |
| Harold Seidman | | political scientist |
| Frederick Seitz | 1954 | physicist at Rockefeller University, National Medal of Science recipient |
| Ruth O. Selig | 2007 | anthropologist and educator |
| George Dudley Seymour | 1897 | Historian, patent attorney, antiquarian, author, and city planner |
| Nathaniel Shaler | 1885 | geologist; dean Lawrence Scientific School; professor geology, Harvard University |
| Homer L. Shantz | | botanist and president of the University of Arizona |
| Willis Shapley | | NASA administrator |
| Samuel Shellabarger | 1881–1884 | Lawyer and congressman |
| Seth Shepard | 1903 | associate justice and chief justice Supreme Court District of Columbia |
| Charles Wesley Shilling | | U.S. Navy physician, researcher, and educator |
| Robert Wilson Shufeldt | 1889–1895 | diplomate, Rear Admiral U.S. Navy |
| Robert Wilson Shufeldt Jr. | 1881 | osteologist, myologist, museologist and ethnographer |
| Frederick Lincoln Siddons | | associate justice of the Supreme Court of the District of Columbia |
| Louis A. Simon | | architect |
| James B. Simpson | 1991 | journalist, author, and Episcopal priest |
| Fred Singer | 1957 | physicist, director of the Science & Environmental Policy Project, professor University of Virginia |
| Jeanne Sinkford | 2015 | Dentist, first female dean of an American college |
| Denis Sinor | | Historian and academic |
| John Sinkankas | | Navy officer, aviator, gemologist, and gem carver |
| William W. Skinner | | chemist, conservationist, and college football coach |
| Edwin Emery Slosson | | First director of Science Service, magazine editor, author, journalist, and chemist |
| John Humphrey Small | | attorney and a U.S. Representative from North Carolina |
| Timothy Smiddy | | Economist, academic, and diplomat |
| Thomas Smillie | 1888 | photographer and curator, Smithsonian Institution |
| Delos H. Smith | | architect |
| Erwin Frink Smith | 1891 | plant pathologist, U.S. Department of Agriculture |
| George P. Smith II | | academic |
| George Otis Smith | 1900 | geologist and director of the U.S. Geological Survey |
| Goldwin Smith | 1892–1900 | historian and journalist, college professor |
| Hugh McCormick Smith | 1903 | ichthyologist and administrator in the United States Bureau of Fisheries |
| John Bernhardt Smith | 1886–1889 | professor of entomology, assistant U.S. National Museum |
| Philip Sidney Smith | | Geologist, chief Alaskan geologist, U.S. Geodetic Survey |
| Constantine Joseph Smyth | | Chief Justice of the Court of Appeals of the District of Columbia. |
| Thorvald Solberg | | first Register of Copyrights in the United States Copyright Office |
| Addison E. Southard | | Diplomat, businessman, chief of the Division of Commercial Activities |
| Ellis Spear | 1896 | lawyer, U.S. Commissioner of Patents, brevet brigadier general U.S. Army |
| Arthur Coe Spencer | 1898 | geologist, U.S. Geological Survey |
| Ainsworth Rand Spofford | 1884–1889 | journalist, author, Librarian of Congress |
| Josiah Edward Spurr | 1903 | geologist, U.S. Geological Survey |
| Thorvald Solberg | 1887 | Register of Copyrights, Library of Congress |
| George Owen Squier | 1900 | major, U.S. Army Signal Corps; scientist, and inventor |
| Wendell Phillips Stafford | | associate justice of the Vermont Supreme Court and the Supreme Court of the District of Columbia. |
| Paul Carpenter Standley | | botanist |
| Timothy Willam Stanton | 1894 | paleontologist, U.S. Geological Survey |
| Robert Stead | 1888 | architect |
| Robert Edwards Carter Stearns | 1884–1891 | paleontologist, U.S. Geological Survey; assistant curator U.S. National Museum |
| Leonhard Stejneger | | curatr of biology U.S. National Museum; ornithologist, herpetologist, and zoologist |
| George Miller Sternberg | 1893 | Surgeon General of the U.S. Army; bacteriologist |
| J. Macbride Sterrett | 1892 | professor of philosophy, Columbian University |
| Irwin Stelzer | | Economist and columnist |
| James Stevenson | 1884 | executive officer, U.S. Geological Survey |
| Julian Steward | | anthropologist |
| William Mott Steuart | 1903 | director U.S. Census Office |
| Moses T. Stevens | 1893 | Congressman and textile manufacturer |
| Frederick W. Stevens | | physicist |
| Walter W. Stewart | | Economist, Director of Research for the Federal Reserve Board |
| Charles Wardell Stiles | 1892 | parasitologist and zoologist, Bureau of Animal Industry |
| Frank R. Stockton | 1900 | author, humorist |
| Alfred Holt Stone | 1902 | Cotton planter, writer, politician |
| John Stone Stone | | mathematician |
| Samuel A. Stouffer | | sociologist |
| Ellery Cory Stowell | | diplomat, professor of international law at Columbia University and American University |
| Samuel Wesley Stratton | 1901 | physicist and the first head of the National Bureau of Standards |
| Oscar Straus | 1900 | diplomat, U.S. Secretary of Commerce and Labor |
| Thomas Hale Streets | 1881–1889 | Surgeon, U. S. Navy |
| Walter Tennyson Swingle | 1899–1902 | botanist; agricultural explorer, U.S. Department of Agriculture |
| Barbara B. Taft | 1988 | historian and fellow in the Royal Historical Society |
| William Howard Taft | 1904–1913/30 | President of the United States |
| Charles Sumner Tainter | 1882–1886, 1891 | inventor of the Graphophone |
| Gerald F. Tape | | physicist |
| Albert H. Taylor | | electircal and radio engineer |
| James Henry Taylor | | mathematician |
| Frederick Winslow Taylor | 1880–1893 | chemist, U.S. National Museum; mechanical engineer |
| Henry Clay Taylor | 1880–1910 | rear admiral in the United States Navy |
| James Knox Taylor | 1898 | supervising architect, U.S. Treasury Department |
| Rufus Thayer | 1885 | judge |
| Charles Thom | | microbiologist, U.S. Bureau of Chemistry |
| Almon Harris Thompson | 1882 | geographer, U.S. Geological Survey |
| Robert E. Thompson | | Political writer and journalist |
| John J. Tigert | | Educator and university president |
| Samuel Escue Tillman | 1889 | superintendent of the United States Military Academy, astronomer, engineer |
| Otto Hilgard Tittmann | 1878–1880, 1884 | founder, National Geographic Society; superintendent United States Coast and Geodetic Survey |
| Charles Hook Tompkins | | architect |
| James Toumey | 1899–1902 | Professor at the Yale School of Forestry, superintendent of Tree-Planting, Division of Forestry |
| Charles Haskins Townsend | 1897 | zoologist and director of the New York Aquarium |
| Clinton Paul Townsend | 1896 | chemist; Patent Office examiner |
| Richard W. Townshend | 1881–1885 | congressman |
| William L. Trenholm | 1887–1901 | United States Comptroller of the Currency |
| Horace M. Trent | | physicist |
| Alfred Charles True | 1896 | director experiment stations, U.S. Department of Agriculture |
| Frederick W. True | 1882 | head curator department of biology, U.S. National Museum |
| Henry St. George Tucker III | | Lawyer and congressman |
| Bryant Tuckerman | | mathematician |
| Lucius Tuckerman | 1887 | businessman, manufacturer, vice-president of the Metropolitan Museum of Art |
| John Tukey | 1955 | statistician with Bell Labs and Princeton University, National Medal of Science recipient |
| Charles Yardley Turner | 1910–1918 | artist |
| Henry Ward Turner | 1990–1996 | geologist, U.S. Geological Survey |
| Scott Turner | | mining engineer, director of the United States Bureau of Mines |
| Merle Tuve | | geophysicist |
| Frank Tweedy | 1885–1901 | botanist, topographer with the U.S. Geological Survey |
| Sanford J. Ungar | 1980 | university president |
| Harold Urey | | physical chemist, Nobel Prize in Chemistry |
| Charles Fox Urquhart | 1895 | topographer and administrator with the U.S. Geological Survey |
| Charles R. Van Hise | 1890 | geologist, academic and president of the University of Wisconsin |
| John van Schaick Jr. | | clergyman and editor |
| Frank A. Vanderlip | 1897 | Assistant Secretary of the Treasury; president of the National City Bank of New York |
| T. Wayland Vaughan | 1897 | geologist, U. S. Geological Survey and U.S. National Museum; director, Scripps Institution of Oceanography |
| Victor C. Vaughan | | physician, medical researcher, educator, and academic administrator |
| Herman Knickerbocker Vielé | 1887–1892 | Novelist, short story writer, and poet |
| Herbert Elijah Wadsworth | 1903 | Businessman, politician, and philanthropist |
| Elwood Otto Wagenhurst | 1903 | lawyer, football coach |
| Charles Doolittle Walcott | 1883 | director, U.S. Geological Survey; administrator of the Smithsonian Institution |
| Patricia Wald | 1988 | chief judge, U.S. Court of Appeals for the District of Columbia |
| Francis Amasa Walker | 1879–1882 | superintendent of the U.S. Census Bureau |
| Thomas Walsh | 1900 | mining engineer who discovered one of the largest gold mines in America |
| Clyde W. Warburton | | Director of Extension Work of the United States Department of Agriculture |
| Lester Frank Ward | 1878 | paleobotanist with the U.S. Geological Survey and American Museum of Natural History |
| Samuel Gray Ward | 1887–1890 | banker, poet, author, and co-founder of the Metropolitan Museum of Art |
| Eugene Fitch Ware | 1902 | Commissioner of Pensions |
| Frank Julian Warne | 1911–1948 | Journalist, economist, and statistician |
| Everett Warner | 1943–1963 | artist |
| Edward Wight Washburn | | Chemist, chief of the Division of Chemistry of the U.S. Bureau of Standards |
| Wilcomb E. Washburn | 1965–1997 | historian |
| Walter Washington | 1969–2004 | Mayor of the District of Columbia |
| Alan Tower Waterman | | physicist |
| J. Elfreth Watkins | 1888 | superintendent and curator of mechanical technology, U.S. National Museum |
| David K. Watson | 1901–1902 | Lawyer and congressman |
| Christopher Weaver | 2005 | software developer and educator at MIT |
| William Benning Webb | 1887 | President of the Board of Commissioners District of Columbia, lawyer |
| Joseph Weber | | physicist, University of Maryland professor |
| Frank E. Webner | | Consulting cost accountant, early management author, industrial engineer |
| Hutton Webster | | Sociologist, author |
| Sidney Weintraub | | economist |
| James Clarke Welling | 1878 | president of Columbian University, co-founder of National Geographic Society. |
| Volkmar Wentzel | | photographer and cinematographer with National Geographic |
| Alexander Wetmore | | ornithologist and avian paleontologist |
| William F. Wharton | 1884 | jurist, Assistant Secretary of State |
| Andrew Dickson White | 1896 | U.S. Ambassador to Germany, historian, co-founder and president of Cornell University |
| Charles Abiathar White | 1882–1902 | geologist and paleontologist |
| David White | 1882 | geologist, U.S. Geological Survey |
| Frank White | | Treasurer of the United States; Governor of North Dakota |
| Gilbert F. White | | Geographer, the father of floodplain management |
| William Alanson White | | neurologist and psychiatrist |
| William Allen White | | newspapers editor and winner of the Pulitzer Prize |
| William Whiting II | 1888–1889 | politician, congressman |
| Beniah Longley Whitman | 1895–1900 | president Columbian University |
| Henry Howard Whitney | 1899–1902 | brigadier general, U.S. Army |
| Milton Whitney | 1894 | academic and chief, Division of Soils, U.S. Department of Agriculture |
| Frederick W. Whitridge | 1883–1884 | lawyer, president of the Third Avenue Railway Company |
| John Brewer Wight | 1902 | president of the Board of Commissioners of the District of Columbia |
| Harvey Washington Wiley | 1883–1930 | chief chemist, U.S. Department of Agriculture; author of Pure Food and Drug Act |
| Walter Francis Willcox | 1899 | statistician, U.S. Census Bureau; professor at Cornell University |
| Maynard Owen Williams | | National Geographic foreign correspondent |
| Whiting Williams | | co-founder of Welfare Federation of Cleveland (predecessor to United Way) |
| James Alexander Williamson | 1886–1887 | commissioner, United States General Land Office; brigadier general U.S. Army |
| Bailey Willis | 1896 | geologist, U.S. Geological Survey |
| Edwin Willits | 1889–1894 | Assistant Secretary of Agriculture and congressman |
| Westel W. Willoughby | 1894–1895 | professor political science, Johns Hopkins University |
| William F. Willoughby | 1895 | author and expert, U.S. Department of Labor |
| William Holland Wilmer | 1896 | ophthalmologist; founding director, Wilmer Eye Institute at Johns Hopkins University |
| Jeremiah M. Wilson | 1883 | educator, lawyer, jurist, and congressman |
| M. L. Wilson | | professor, undersecretary of agriculture the U.S. Department of Agriculture |
| Thomas Wilson | 1887 | anthropologist; curator prehistoric archaeology, U.S. National Museum |
| William Lyne Wilson | 1895 | Postmaster General, president Washington and Lee University |
| Woodrow Wilson | 1913–1924 | President of the United States |
| Robert Watson Winston | | Lawyer, judge, and author |
| Leonard Wood | 1895–1897 | U.S. Army major general, military governor of Cuba, Governor-General of the Philippines. |
| Robert Morse Woodbury | | Economist, academic, author, and chief statistician of the International Labor Office in Geneva |
| Albert Fred Woods | 1896 | botanist with the U.S. Department of Agriculture, professor of forestry, university president |
| Robert Simpson Woodward | 1885 | Professor of mechanics and mathematical physics, Columbia University |
| William Creighton Woodward | 1995 | medical doctor and lawyer, legislative counsel for the American Medical Association |
| John Maynard Woodworth | 1878 | surgeon general, Marine Hospital Service |
| Alma S. Woolley | | nurse, nurse educator, nursing historian, and author |
| Herman Wouk | | writer and winner of the Pulitzer Prize |
| Carroll D. Wright | 1895 | Statistician and first U.S. Commissioner of Labor |
| Nathan C. Wyeth | 1900 | architect, supervising architect for the U.S. Treasury |
| Walter Wyman | 1889 | supervising surgeon general, Public Health and Marine Hospital Service |
| Robert Sterling Yard | | Writer, journalist, editor, and wilderness activist |
| H. C. Yarrow | 1878–1893 | ornithologist, herpetologist, surgeon, curator of reptiles in the U.S. National Museum |
| Charles W. Yost | 1974–1981 | Diplomat, U.S. Ambassador to the United Nations |
| Arthur N. Young | | Economist and government advisor |
| Albert Francis Zahm | 1902 | academic; chief of the Aeronautical Division of the U.S. Library of Congress |
| Estanislao Zeballos | 1894–1895 | E. E. and M. P. Argentina |