William F. Friedman
William Frederick Friedman was a US Army cryptographer who ran the research division of the Army's Signal Intelligence Service (SIS) 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.
From *.wikipedia.org,
General Info
.
Male
Date of Birth
September 24th, 1891
Age
134
Birth Place
Moldova, Chișinău Municipality
Date of Death
November 12nd, 1969
Died Aged
78
Star Sign
Libra
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