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Divine Fire: Elizebeth Friedman, Cryptanalyst: The 1910s-1930s.
Elizebeth Friedman was one of America's greatest cryptographers in the early- to mid-1900s. She worked during the Prohibition era for the Department of the Treasury and the Coast Guard and, at various times during World War I and World War II, for the War Department. This monograph concerns her personal life and professional work for the Coast Guard on liquor and narcotics smuggling, up to the late 1930s.
176 pages, Paperback
Published March 30, 2015
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