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. His thesis was entitled Immersions of Manifolds. In 2012 he became a fellow of the American Mathematical Society. Hirsch had 23 doctoral students, including William Thurston, William Goldman, and Mary Lou Zeeman. Selected works with Stephen Smale and Robert L. Devaney: Differential equations, dynamical systems and an introduction to chaos, Academic Press 2004 (2nd edition) 3rd edition, 2013 with Stephen Smale: Differential equations, dynamical systems and linear algebra, Academic Press 1974 Differential Topology, Springer 1976, 1997 with Barry Mazur: Smoothings of piecewise linear manifolds, Princeton University Press 1974 with Charles C. Pugh, Michael Shub: Invariant Manifolds, Springer 1977 See also Brouwer fixed-point theorem Chern's conjecture (affine geometry) Differential structure Homotopy principle Immersion (mathematics) Whitney embedding theorem References External links Website at the University of California, Berkeley search on author Morris Hirsch from Google Scholar 1933 births Living people People from Chicago 20th-century American mathematicians 21st-century American mathematicians University of Chicago alumni University of California, Berkeley College of Letters and Science faculty Fellows of the American Mathematical Society Mathematicians from Illinois Topologists