Jan Kowalewski, Date of Birth, Place of Birth, Date of Death

Jan Kowalewski

Polish cryptographer

Date of Birth: 23-Oct-1892

Place of Birth: Łódź, Łódź Voivodeship, Poland

Date of Death: 31-Oct-1965

Profession: engineer, military officer, diplomat, cryptographer

Nationality: Poland

Zodiac Sign: Scorpio

Lt.
Col.
Jan Kowalewski (23 October 1892 – 31 October 1965) was a Polish cryptologist, intelligence officer, engineer, journalist, military commander, and creator and first head of the Polish Cipher Bureau.
He recruited a large staff of cryptologists who broke Soviet military codes and ciphers during the Polish-Soviet War, enabling Poland to weather the war and achieve victory in the 1920 Battle of Warsaw.