Barry Mitchell (1933-2021) was an American mathematician who wrote one of the earliest books on category theory (1965). He proved what is sometimes called the Mitchell embedding theorem also called the *Freyd-Mitchell embedding theorem*, which shows that any abelian category has an exact embedding into a module category.

- Barry Mitchell,
*Theory of categories*, Volume 17 (Pure and Applied Mathematics) Academic Press, (October 12, 1965).

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