John Henry Constantine Whitehead (11 November 1904–8 May 1960), was one of the founders of modern algebraic topology. Also one of the founders of the influential journal Topology.

Not to be confused with George Whitehead, who also worked in algebraic topology.

## Contributions

His contributions to mathematics include the following:

## Selected writings

On the triangulation theorem for smooth manifolds:

On the Hopf invariant:

Introducing crossed modules (and crossed homomorphisms) as models for homotopy types:

• J. H. C. Whitehead, Algebraic Homotopy Theory, in Proc. Int. Cong. of Mathematics, Harvard, volume 2, 354 – 357. 51 (1950)
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Last revised on September 1, 2021 at 08:58:30. See the history of this page for a list of all contributions to it.