Friedman, William F. (William Frederick), 1891-1969

William F. Friedman was born in Russia and emigrated to the United States with his family as a child. Trained as a plant geneticist, he worked as a cryptologist in the private sector before joining the Office of the Chief Signal Officer, U.S. War Dept., in December 1919 as chief cryptanalyst.

From the description of Cryptography translations : typescripts, 1924-1934. (University of Pennsylvania Library). WorldCat record id: 122629190

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