Henryk Zygalski

Henryk Zygalski
Henryk Zygalski about 1930
Born	(1908-07-15)15 July 1908 Posen, German Empire (now Poznań, Poland)
Died	30 August 1978(1978-08-30) (aged 70) Liss, England
Nationality	Polish
Occupation(s)	Mathematician, cryptologist
Known for	Solving Enigma-machine ciphers
Awards	Order of Polonia Restituta, Grand Cross (2000) IEEE Milestone Award (2014)

Henryk Zygalski (Polish pronunciation: [ˈxɛnrɨk zɨˈɡalski] ^ⓘ; 15 July 1908 – 30 August 1978) was a Polish mathematician and cryptologist who worked at breaking German Enigma-machine ciphers before and during World War II.