Keywords: Maksymilian Ciężki.jpg Maksymilian Ciężki 1898-1951 “ Major or the Polish Army He was the head of the Polish Cipher Bureau's German section BS “4 in the 1930s during which time ”from December 1932 ”the Bureau decrypted German Enigma messages Centralne Archiwum Wojskowe unknown-anonymous before 1939 PD-Polish Anonymous-EU Maksymilian Ciężki |