Frank Burt Freidel was a professor of history at Harvard University and the first major biographer of Franklin Delano Roosevelt. He received his B.A. (1937) and M.A. (1939) from the University of Southern California before graduating from the University of Wisconsin-Madison in 1942 with a doctorate in history. He taught at a number of colleges before joining the faculty of Harvard University, where he taught from 1955 until his retirement in 1981.