Alfred H. Clifford

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Alfred H. Clifford
Born(1908-07-08)July 8, 1908
DiedDecember 27, 1992(1992-12-27) (aged 84)
Alma materYale University
California Institute of Technology
Known forClifford theory
Scientific career
FieldsGroup theory, semigroup theory
InstitutionsInstitute for Advanced Study
Massachusetts Institute of Technology
Johns Hopkins University
Tulane University
ThesisArithmetic of Ova (1933)
Doctoral advisorEric Temple Bell, Morgan Ward

Alfred Hoblitzelle Clifford (July 11, 1908 – December 27, 1992) was an American mathematician born in St. Louis, Missouri who is known for Clifford theory and for his work on semigroups. He did his undergraduate studies at Yale and his PhD at Caltech, and worked at MIT, Johns Hopkins, and later Tulane University. The Alfred H. Clifford Mathematics Research Library at Tulane University is named after him.


  • Clifford, Alfred Hoblitzelle; Preston, Gordon B. (1961), The algebraic theory of semigroups. Vol. I, Mathematical Surveys, No. 7, Providence, R.I.: American Mathematical Society, ISBN 978-0-8218-0272-4, MR 0132791

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