Here you go: http://en.wikipedia.org/wiki/Cryptanalysis_of_the_Enigma#Polish_breakthrough http://en.wikipedia.org/wiki/Cryptanalysis_of_the_Enigma#Pol... The 2

Here you go: http://en.wikipedia.org/wiki/Cryptanalysis_of_the_Enigma#Polish_breakthrough http://en.wikipedia.org/wiki/Cryptanalysis_of_the_Enigma#Pol... The 20 years between the wars were an amazing time in Poland. It was perhaps the best time in Polish history of mathematics, with remarkable contributions from Stefan Banach and his other Lvov friends: http://en.wikipedia.org/wiki/Stefan_Banach http://en.wikipedia.org/wiki/Stefan_Banach http://en.wikipedia.org/wiki/Lw%C3%B3w_School_of_Mathematics http://en.wikipedia.org/wiki/Lw%C3%B3w_School_of_Mathematics