James E. Humphreys

James Edward Humphreys
Born(1939-12-10)December 10, 1939
DiedAugust 27, 2020(2020-08-27) (aged 80)
EducationBachelor's degree from Oberlin College (1961), master's degree from Yale University (1964), PhD from Yale University (1966)
OccupationMathematician
Known forWriting Introduction to Lie Algebras and Representation Theory
Receiving the Lester R. Ford Award in 1976

James Edward Humphreys (December 10, 1939 – August 27, 2020) was an American mathematician who worked in algebraic groups, Lie groups, and Lie algebras and applications of these mathematical structures. He is known as the author of several mathematical texts, such as Introduction to Lie Algebras and Representation Theory and Reflection Groups and Coxeter Groups.

After contracting COVID-19 weeks earlier during the COVID-19 pandemic in Massachusetts, Humphreys died on August 27, 2020, at the age of 80.