Jan Kowalewski
Cryptologist
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Lt. Col. Jan Kowalewski was a Polish cryptologist, intelligence officer, engineer, journalist, military commander, and creator and first head of the Polish Cipher Bureau. Wikipedia
Born: October 23, 1892, Łódź, Poland
Died: October 31, 1965 (age 73 years), London, United Kingdom
Place of burial: Fulham (North Sheen) Cemetery, United Kingdom
Education: University of Liège