Gerhard Hochschild
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Gerhard Paul Hochschild was a German-born American mathematician who worked on Lie groups, algebraic groups, homological algebra and algebraic number theory.
Gerhard Hochschild in Berkeley, 1986
Bertram Kostant
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Bertram Kostant was an American mathematician who worked in representation theory, differential geometry, and mathematical physics.
Gerhard Hochschild
…theory for algebras, which classifies deformations of algebras. Hochschild & Nakayama (1952) introduced cohomology into class field theory. Along with Bertram Kostant and Alex F. T. W. Rosenberg, the Hochschild–Kostant–Rosenberg theorem is named after him. Among his students were Andrzej Białynicki-Birula and James…
Bertram Kostant at a workshop on “Enveloping Algebras and Geometric Representation Theory” in Oberwolfach, 2009