Question: In what U.S. state is the college where Douglas Koshland earned his B.A. in chemistry located?

Documents:
source: Haverford College
text: Haverford College Haverford College ( ) is a private, coeducational liberal arts college located in Haverford, Pennsylvania, United States, a suburb of Philadelphia. All students of the College are undergraduates, and nearly all reside on campus.

source: Douglas Koshland
text: Douglas Koshland Douglas E. Koshland Ph.D. is a Professor of Molecular and Cellular Biology at University of California, Berkeley. He earned his B.A. in Chemistry from Haverford College and his Ph.D. in microbiology from Massachusetts Institute of Technology under the guidance of David Botstein. He then did his postdoctoral work with Leland Hartwell at University of Washington and with Marc Kirschner at the University of California, San Francisco.

source: Frank S. Kedzie
text: Frank S. Kedzie Frank S. Kedzie (May 12, 1857 – January 5, 1935) was president of the U.S. state of Michigan's Michigan Agricultural College (now Michigan State University) from 1915 to 1921. Kedzie Hall, located on campus on the north side of the Red Cedar River was named in honor of his father, Robert C. Kedzie, who was a Professor of Chemistry at Michigan Agricultural College from 1863 to 1902.

source: Douglas County, Missouri
text: Douglas County, Missouri Douglas County is a county located in the south-central portion of the U.S. state of Missouri. As of the 2010 census, the population was 13,684. The county seat and only incorporated community is Ava. The county was officially organized on October 19, 1857, and is named after U.S. Senator Stephen A. Douglas (D-Illinois) and later Democratic presidential candidate.

source: Enterprise State Community College
text: Enterprise State Community College Enterprise State Community College is a community college located in Enterprise, in the U.S. state of Alabama. It was created by the Alabama State Board of Education in February 2003 by reorganizing Enterprise State Junior College to include the Alabama Aviation Centers at Ozark and Mobile. In December 2009, the Alabama State Board of Education approved a name change for the college to Enterprise State Community College with a marketing name for the aviation programs as the Alabama Aviation Center, a unit of Enterprise State Community College.

source: Douglas County, Minnesota
text: Douglas County, Minnesota Douglas County is a county located in the U.S. state of Minnesota. As of the 2010 census, the population was 36,009. Its county seat is Alexandria. Douglas County was established in 1858. It is named for Stephen Douglas, of Illinois. The county was formed in 1858 and organized in 1866.

source: Bruce A. Manning
text: Bruce A. Manning Bruce A. Manning is a Professor of Chemistry and Biochemistry at San Francisco State University. He is an internationally recognized expert in environmental chemistry. He earned a B.S. in environmental science at the University of Massachusetts Amherst in 1985 and a Ph.D. in environmental chemistry from the University of California, Davis in 1993. Prior to joining SFSU he was a Postdocoral Scientist at the USDA U.S. Salinity Laboratory in Riverside CA and the University of California, Riverside. Professor Manning has been a pioneer in applying X-ray techniques such as X-ray diffraction, fluorescence, and absorption spectroscopy to environmental chemistry problems and materials chemical research. Professor Manning's research interests include soil chemistry, surface analysis, mineralogy, remediation, inorganic chemical analysis, and computational chemistry. His research has been funded by NSF, USDA, and DuPont and was a Research Corporation Cottrell College Science Award Fellow from 2001-2005.

source: David R. Segal
text: David R. Segal David R. Segal (born 1941) is a prominent sociologist, who specializes in civil-military relations, military sociology, and military organization, in the tradition of Morris Janowitz. He is a distinguished scholar-teacher and professor of sociology at the University of Maryland. He is the founding director of the Center for Research on Military Organization, and is a former president of the Inter-University Seminar on Armed Forces and Society, as well as a former editor of the journal Armed Forces & Society. He has also served as president of the District of Columbia Sociological Society and of the Section on Armed Forces and Conflict Resol ution of the International Sociological Association, and chair of the Section on Peace, War, and Social Conflict of the American Sociological Association. He attended public school in Brooklyn, NY and earned his B.A. from Harpur College, State University of New York at Binghamton. He earned a PhD in sociology at University of Chicago. He began his academic career in the Sociology Department at the University of Michigan in 1966, and served as Director of Graduate Studies, Associate Chair of the Department, and Director of the Center for Research on Social Organization. in 1973, he took a leave of absence from Michigan to direct the sociology program at the U.S. Army Research Institute for the Behavioral and Social Sciences.

source: Nathan O. Kaplan
text: Nathan O. Kaplan Nathan Oram Kaplan (June 25, 1917 – April 15, 1986) was an American biochemist who studied enzymology and chemotherapy. After completing a B.A. in chemistry at UCLA in 1939, Kaplan studied carbohydrate metabolism in the liver under David M. Greenberg at the University of California, Berkeley medical school. He earned his Ph.D. in 1943. From 1942 to 1944, Kaplan participated in the Manhattan Project, and then spent a year as an instructor at Wayne State University. From 1945 to 1949, Kaplan worked with Fritz Lipmann at Massachusetts General Hospital to study coenzyme A. Kaplan went to the University of Illinois College of Medicine as an assistant professor in 1949, and from 1950 to 1957 he worked at the McCollum-Pratt Institute of Johns Hopkins University. In 1957, he was recruited to head a new graduate program in biochemistry at Brandeis University. In 1968, Kaplan moved to the University of California, San Diego, where he studied the role of lactate dehydrogenase in cancer. He also founded a colony of nude mice, a strain of laboratory mice useful in the study of cancer and other diseases. In 1981, Kaplan became a founding member of the World Cultural Council.

source: Charles Plympton Smith
text: Charles Plympton Smith Charles Plympton Smith (born June 1, 1954, Burlington, Vermont) is a banker and Republican politician from the U.S. state of Vermont who served in the Vermont House of Representatives. The son of banker and state senator Frederick Plympton Smith, he received a B.A. from Harvard College in 1978, following which he attended the University of Melbourne, Melbourne Australia on a one-year Rotary Foundation Scholarship. From 1975-1978 he served two terms in the Vermont House of Representatives, alternating semesters between Harvard and the legislature, which at the time met only in the spring. He was nominated by both the Democratic and Republican parties.

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Answer: Pennsylvania