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Marian Rejewski
Polish mathematician and cryptologist (1905–1980).
Born January 16th, 1905 in Bydgoszcz. [ref]
Died February 13th, 1980 at 75 years old in Warsaw (myocardial infarction).
Occupations
cryptologist, inventor, mathematician
Wikipedia
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Don't just count your years, make your years count. George Meredith