Broschiertes Buch

Jan Kowalewski

Military intelligence, Polish Soviet War, Battle of Warsaw (1920)

Herausgegeben: Elmo, Timoteus

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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Lt. Col. Jan Kowalewski (23 October 1892, ód 31 October 1965, London) 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.