Word: cryptoanalyst
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Dates: during 1969-1969
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Died. William F. Friedman, 78, cryptoanalyst who led the task force that broke the Japanese "purple code" just before U.S. entry into World War II; of a heart attack; in Washington, D.C. It took Friedman and his group of experts two years to crack the immensely complex and supposedly undecipherable code. The breakthrough provided the U.S. with advance knowledge of virtually every Japanese move throughout...
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