= Norman Steenrod
{wiki=Norman_Steenrod}
Norman Steenrod (1910-1971) was a prominent American mathematician known for his contributions to algebraic topology. He is particularly famous for his work on homology and cohomology theories, as well as the Steenrod operations, which are a set of cohomological operations that play a significant role in the study of topological spaces. Steenrod's work helped to formalize many concepts in topology and laid the groundwork for later developments in the field.
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