Morris William Hirsch (born June 28, 1933) is an American mathematician, formerly at the University of California, Berkeley.

A native of Chicago, Illinois, Hirsch attained his doctorate from the University of Chicago in 1958, under supervision of Edwin Spanier and Stephen Smale.

In 2012, he became a fellow of the American Mathematical Society.

[2] Hirsch had 23 doctoral students, including William Thurston, William Goldman, and Mary Lou Zeeman.

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