How Poles cracked Nazi Enigma secret A silk scarf bearing the image of a horse race was a suitably cryptic gift for a Polish mathematician to receive from a British codebreaker The Poles had got there first that seemed to be the message Dillwyn "Dilly" Knox was delighted with the Polish copy of an Enigma a top secret German military Poland's overlooked Enigma codebreakers The first breakthrough in the battle to crack Nazi Germany's Enigma code was made not in Bletchley Park but in Warsaw The debt owed by British wartime Polish mathematician Marian Rejewski relaxes in the French chateau where the codebreakers were working to crack the Enigma machine codes in 1942 Credit Anna ZygalskaCannon Langer, Ciężki and
Polish Codebreakers Cracked Enigma In 1939 Before Alan Turing Enigma Machine Enigma Coding