Did Polish cryptographers crack the Nazi Enigma code before Alan Turing?

Among the many things that computer science pioneer Alan Turing is remembered for was his tremendous contribution to the British war effort in which he is credited with cracking Nazi Germany's Enigma code — a breakthrough that historians widely agree helped to shorten the war in Europe. But now, the Polish government… » 10/09/12 7:30am 10/09/12 7:30am