Marcia L. Colish (July 27, 1937 â April 9, 2024) was an American historian who specialized in medieval intellectual history. From 1963 to 2001 she taught at Oberlin College, where she became the Frederick B. Artz Professor of History and retired emeritus. From 2001 onwards she pursued historical research at Yale University. She won a Guggenheim Fellowship (1989âÂÂ1990) and the Haskins Medal (1998) for her book on Peter Lombard. She was a Fellow (from 1988) and President (1991âÂÂ1992) of the Medieval Academy of America.
Marcia Colish was born on July 27, 1937 in Brooklyn, New York, the daughter of Dr. Samuel and Daisy K. Colish. She gained her BA from Smith College in 1958. She continued to Yale University for her MA (1959) and PhD (1965), studying there with historians of Christianity Roland Bainton and Jaroslav Pelikan.
After a short period teaching at Skidmore College, Colish joined Oberlin College in 1963. She specialized in medieval intellectual history. She was a member of the School of Historical Studies of the Institute for Advanced Study at Princeton 1986âÂÂ1987. She was made a Fellow of the Medieval Academy of America in 1988, and she served as President of the Academy 1991âÂÂ1992. She used a Guggenheim Fellowship in 1989âÂÂ1990 to work on her book on Peter Lombard, for which she won the Haskins Medal in 1998. Yale Graduate School awarded her its Wilbur Cross Medal in 1993. She was a fellow at the Woodrow Wilson Center 1994âÂÂ1995. In the 1960s she led the campaign to abolish a nepotism rule at Oberlin that prevented both members of a couple from serving on the faculty. In the early 1990s she helped lead the campaign to reform Oberlin's sexual harassment policy.
On retirement from Oberlin, Colish moved to Guilford to be nearer to Long Island Sound and Yale University. She continued to pursue research as a fellow at Yale. A 2002 symposium on her work, held at the Claremont Graduate School, resulted in a festschrift published in 2010.
She died on April 9, 2024, in New Haven, Connecticut, leaving her body to the Yale University Medical School.