Kazimierz Gaca
Kazimierz Gaca | |
|---|---|
Kazimierz Gaca | |
| Born | 1920 |
| Died | 1997 or 2009 Tbc |
| Occupation(s) | Cryptanalyst and intelligence officer |
| Known for | Enigma machine deciphering |
| Awards | |
Kazimierz Gaca alias Jean Jacquin (1920-1997) was a Polish cryptanalyst and officer. Before World War II, he worked at the Cipher Bureau (Biuro Szyfrów (BS)), decoding radio messages encrypted by the German military using their Enigma machine. After WWII, he worked for the French intelligence bureau and retired in the south of France.