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Elizebeth Smith Friedman: WW2's Most Awesome Codebreaker

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The Most Awesome Codebreaker in WW2 Was a Woman
The FBI may have taken credit, but it was really the work of Elizebeth Smith Friedman.

J Edgar Hoover called her “one of the cleverest woman operators I have encountered. Cultured, businesslike, cunning… she presented one of the most difficult problems in detection the FBI has tackled in this war.”