Isadore Singer

Isadore Singer
Isadore Singer
	Singer in 1977
Born	May 3, 1924; Detroit, Michigan, US
Died	February 11, 2021 (aged 96); Boxborough, Massachusetts, US
Alma mater	University of Michigan; University of Chicago;
Known for	Ambrose–Singer theorem; Atiyah–Singer index theorem; Atiyah–Hitchin–Singer theorem; Ray–Singer torsion; Kadison–Singer problem;
Spouse	Rosemary Singer (m. 1956)
Awards	Bôcher Memorial Prize (1969); National Medal of Science (1983); Wigner Medal (1988); Steele Prize (2000); Abel Prize (2004);
	Scientific career
Fields	Mathematics
Institutions	Massachusetts Institute of Technology; University of California, Berkeley; Princeton University; Columbia University; University of California, Los Angeles;
Thesis	Lie Algebras of Unbounded Operators (1950)
Doctoral advisor	Irving Segal
Doctoral students	Richard L. Bishop; Andrew Browder; Antun Domic; David G. Ebin; Dan Freed; John Lott; Hugo Rossi; Linda Rothschild; Gerald Schwarz; Nancy K. Stanton; Frank W. Warner;

Isadore Manuel Singer (May 3, 1924 – February 11, 2021) was an American mathematician. He was an Emeritus Institute Professor in the Department of Mathematics at the Massachusetts Institute of Technology and a Professor Emeritus of Mathematics at the University of California, Berkeley.

Singer is noted for his work with Michael Atiyah, proving the Atiyah–Singer index theorem in 1962, which paved the way for new interactions between pure mathematics and theoretical physics. In early 1980s, while a professor at Berkeley, Singer co-founded the Mathematical Sciences Research Institute (MSRI) with Shiing-Shen Chern and Calvin Moore.

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