Article · Wikipedia archive · Last revised Jul 17, 2026

Guy Hirsch

Guy Hirsch was a Belgian mathematician and philosopher of mathematics, who worked on algebraic topology and epistemology of mathematics.

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Guy Hirsch
Born(1915-09-20)20 September 1915
Died4 August 1993(1993-08-04) (aged 77)
Alma materUniversité libre de Bruxelles
Known foralgebraic topology
Scientific career
FieldsMathematics
InstitutionsUniversité libre de Bruxelles
Alfred Errera

Guy Hirsch (20 September 1915 – 4 August 1993)1 was a Belgian mathematician and philosopher of mathematics, who worked on algebraic topology and epistemology of mathematics.

He became a member of the Royal Flemish Academy of Belgium for Science and the Arts in 1973.

He is known for the Leray–Hirsch theorem, a basic result on the algebraic topology of fiber bundles that he proved independently of Jean Leray in the late 1940s.

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