Posted on May 9, 2016
70th Anniversary of capture of Enigma codebooks from German U-boat U-110.
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German submarine U-110 was a Type IXB U-boat of the German Kriegsmarine that operated during World War II. She was captured by the Royal Navy on 9 May 1941 and provided a number of secret cipher documents to the British. U-110's capture, later given the code name "Operation Primrose", was one of the biggest secrets of the war, remaining so for seven months. President Franklin D. Roosevelt was only told of the capture by Winston Churchill in January 1942.
http://military.wikia.com/wiki/German_submarine_U-110_(1940)
http://military.wikia.com/wiki/German_submarine_U-110_(1940)
Posted in these groups: 
WWII World War Two
Information Technology
Military History
World History
American History
WWII World War Two Information Technology Military History World History American History
Posted >1 y ago
Responses: 10
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While most may know of Alan Turing and his machine 'bombe' there is the other guy Polish cryptologist Marian Adam Rejewski who reconstructed the Enigma cipher machine sight-unseen in 1932. While Turing was indeed a very smart man this guy was the real genius behind the 'bomba' machine and the code breakers of WWII.
https://en.wikipedia.org/wiki/Marian_Rejewski
https://en.wikipedia.org/wiki/Marian_Rejewski
Marian Rejewski - Wikipedia, the free encyclopedia
Marian Adam Rejewski [ˈmarjan reˈjefski]( listen) (16 August 1905 – 13 February 1980) was a Polish mathematician and cryptologist who reconstructed the Nazi German military Enigma cipher machine sight-unseen in 1932. The cryptologic achievements of Rejewski and colleagues Jerzy Różycki and Henryk Zygalski enabled the British to begin reading German Enigma-encrypted messages at the start of World War II, seven years after Rejewski's original...
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One of my jobs (MOS) years ago was operating and maintaining the successor to enigma, the KL-47. Hated that machine.
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