William F. Friedman
Author
1891 – 1969
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Who was William F. Friedman?
William Frederick Friedman was a US Army cryptographer who ran the research division of the Army's Signals Intelligence Service in the 1930s, and parts of its follow-on services into the 1950s. In 1940, subordinates of his led by Frank Rowlett broke Japan's PURPLE cipher, thus disclosing Japanese diplomatic secrets before America's entrance into World War II.
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- Born
- Sep 24, 1891
Chișinău - Also known as
- William Friedman
- Spouses
- Nationality
- United States of America
- Education
- Cornell University
- Michigan State University
- Lived in
- Chișinău
- Died
- Nov 12, 1969
Washington, D.C.
Submitted
on July 23, 2013
Citation
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"William F. Friedman." Biographies.net. STANDS4 LLC, 2024. Web. 6 May 2024. <https://www.biographies.net/people/en/william_f_friedman>.
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