Table:
No. | Name | Took Office | Left Office | President served under | Notable for
1 | Harvey Washington Wiley, M.D. | January 1, 1907 | March 15, 1912 | Theodore Roosevelt, William Howard Taft | Chemist; advocacy of the passage of the Pure Food and Drug Act in 1906; subsequent work at Good Housekeeping Institute laboratories
2 | Carl L. Alsberg M.D. | December 16, 1912 | July 15, 1921 | William Howard Taft, Woodrow Wilson, Warren G. Harding | 
3 | Walter Gilbert Campbell | 7/16/1921 | 6/30/1924 | Warren G. Harding, Calvin Coolidge | 
4 | Charles Albert Browne, Jr. | 7/1/1924 | 6/30/1927 | Calvin Coolidge | 
3 | Walter Gilbert Campbell | 7/1/1927 | 4/30/1944 | Calvin Coolidge, Herbert Hoover, Franklin D. Roosevelt | 
5 | Paul B. Dunbar, Ph.D. | 5/6/1944 | 5/31/1951 | Franklin D. Roosevelt, Harry S Truman | 
6 | Charles W. Crawford | 6/1/1951 | 7/31/1954 | Harry S Truman, Dwight D. Eisenhower | 
7 | George P. Larrick | 8/12/1954 | 12/27/1965 | Dwight D. Eisenhower, John F. Kennedy, Lyndon B. Johnson | 
8 | James Lee Goddard, M.D. | 1/17/1966 | 7/1/1968 | Lyndon B. Johnson | 
9 | Herbert Leonard Ley, Jr., M.D. | 7/1/1968 | 12/12/1969 | Lyndon B. Johnson, Richard M. Nixon | 
10 | Charles C. Edwards, M.D. | 12/13/1969 | 3/15/1973 | Richard M. Nixon | 
11 | Alexander Mackay Schmidt, M.D. | 7/20/1973 | 11/30/1976 | Richard M. Nixon, Gerald R. Ford | 
12 | Donald Kennedy, Ph.D. | 4/4/1977 | 6/30/1979 | Jimmy Carter | 
13 | Jere Edwin Goyan, Ph.D. | 10/21/1979 | 1/20/1981 | Jimmy Carter | 
14 | Arthur Hull Hayes Jr., M.D. | 4/13/1981 | 9/11/1983 | Ronald Reagan | 
15 | Frank Edward Young, M.D., Ph.D. | 7/15/1984 | 12/17/1989 | Ronald Reagan | 
16 | David Aaron Kessler, M.D. | 11/8/1990 | 2/28/1997 | George H. W. Bush / Bill Clinton | 
17 | Jane Ellen Henney, M.D. | 1/17/99 | 1/19/2001 | Bill Clinton | 
18 | Mark Barr McClellan, M.D., Ph.D | 11/14/2002 | 3/26/2004 | George W. Bush | 
19 | Lester Mills Crawford, D.V.M., Ph.D. | 7/18/2005 | 9/23/2005 | George W. Bush | Charged with conflict of interest and lying about stock he and his wife owned in companies regulated by FDA.
20 | Andrew C. von Eschenbach, M.D. | 12/13/2006 | 1/20/2009 | George W. Bush | Member of the board of directors of BioTime (NYSE MKT: BTX), a biotechnology and regenerative medicine company.
21 | Margaret A. Hamburg, M.D. | 5/22/2009 | present | Barack Obama |

Question: who became commissioner after george p. larrick?
Answer: James Lee Goddard, M.D.

Question: who was in office for the least amount of time?
Answer: Lester Mills Crawford, D.V.M., Ph.D.

Question: how many total commissioner were there between 1970-1985?
Answer: 6

Question: who was in office for the most amount of time?
Answer: Walter Gilbert Campbell

Question: how many commissioners served under calvin coolidge?
Answer: 3

Question: how many commissioners have there been?
Answer: 21

Question: besides david aaron kessler, what other person was in office under bill clinton?
Answer: Jane Ellen Henney, M.D.

Question: how many commissioners of food and drugs did george w bush appoint?
Answer: 4

Question: who was the first commissioner of food and drug, appointed in january 1907?
Answer: Harvey Washington Wiley, M.D.