Comment Re:Define professionals? (Score 1) 556
A small correction...
It were actually Polish mathematicians - Marian Rejewski and Henryk Zygalski who broke the Enigma code in 1932.
http://en.wikipedia.org/wiki/Marian_Rejewski
Alan Turing based his Bombe design on the results of their work.
http://en.wikipedia.org/wiki/Bombe