1931); professor of mathematics and astronomy at the Woman's College of the University of North Carolina Ted Kaczynski (PH.D.), Youngest Professor at the University of California, Berkeley later arrested for domestic terrorism also known as the Unabomber. Fellows of the American Mathematical Society As of 2021, UM numbers amongst its alumni 29 Fellows of the American Mathematical Society. Kenneth Appel (October 8, 1932 – April 19, 2013) was an American mathematician who in 1976, with colleague Wolfgang Haken at the University of Illinois at Urbana–Champaign, solved one of the most famous problems in mathematics, the four-color theorem. Susanne Brenner is an American mathematician, whose research concerns the finite element method and related techniques for the numerical solution of differential equations. Ralph Louis Cohen (born 1952) is an American mathematician, specializing in algebraic topology and differential topology. Robert Connelly (born July 15, 1942) is a mathematician specializing in discrete geometry and rigidity theory. Brian Conrey (23 June 1955) is an American mathematician and the executive director of the American Institute of Mathematics. Ronald Getoor (9 February 1929, Royal Oak, Michigan – 28 October 2017, La Jolla, San Diego, California) was an American mathematician. Tai-Ping Liu (Chinese: 劉太平; pinyin: Liú Tàipíng; born 18 November 1945) is a Taiwanese mathematician, specializing in partial differential equations. Russell Lyons (6 September 1957) is an American mathematician, specializing in probability theory on graphs, combinatorics, statistical mechanics, ergodic theory and harmonic analysis. Gaven Martin FRSNZ FASL FAMS (born 8 October 1958) is a New Zealand mathematician. Susan Montgomery (born 2 April 1943 in Lansing, MI) is a distinguished American mathematician whose current research interests concern noncommutative algebras Paul Muhly (born September 7, 1944) is an American mathematician. James Munkres (born August 18, 1930) is a professor emeritus of mathematics at MIT Zuhair Nashed (born May 14, 1936 in Aleppo, Syria) is an American mathematician, working on integral and operator equations, inverse and ill-posed problems, numerical and nonlinear functional analysis, optimization and approximation theory, operator theory, optimal control theory, signal analysis, and signal processing. Peter Orlik (born 12 November 1938, in Budapest) is an American mathematician, known for his research on topology, algebra, and combinatorics. Mihnea Popa (born 11 August 1973) is a Romanian-American mathematician at Harvard University, specializing in algebraic geometry. He is known for his work on complex birational geometry, Hodge theory, abelian varieties, and vector bundles. Jane Cronin Scanlon (July 17, 1922 – June 19,