**Norman Earl Stennrod** (1910 - 1971) was a preeminent American mathematician mostly known for his contribution to topology.

Steenrod is famous for having introduced the Steenrod operations , acting on the mod 2 cohomology of any topological spaces, and more generally, on the mod $p$ cohomology of any space, for a prime number $p$. His book Topology of Fiber Bundles became a standard reference. With Samuel Eilenberg revolutionised algebraic topology by taking an axiomatic approach in their book Foundation of Algebraic Topology.

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