Michael Howard Harris (born 1954) is an American mathematician known for his work in number theory. He is a professor of mathematics at Columbia University and professor emeritus of mathematics at Université Paris Cité. In 2025, he was elected to the American Philosophical Society.
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Early life and education
Harris was born in Kingsessing, Philadelphia, Pennsylvania and is of Jewish descent. He received his B.A. in mathematics from Princeton University in 1973. He received his M.A. and Ph.D. in mathematics from Harvard University under the supervision of Barry Mazur in 1976 and 1977 respectively.
Career
Harris was a faculty member at Brandeis University from 1977 to 1994. In 1994, he became a professor of mathematics at Paris Diderot University and the Institut de mathématiques de Jussieu – Paris Rive Gauche, where he has been emeritus since 2021. He became a professor of mathematics at Columbia University in 2013.