Enigma Machine

By Katie Hale

The Enigma Machine

1918, Arthur Scherbius, a German businessman, patented the Enigma machine.The Poles set up a world leading crypt analysis bureau and hired leading mathematicians such as Marian Rejewski.
Mid 1920s, mass production of Enigma machine with 30,000 machines being sold to the German military over the next 2 decades.
In 1931, a German traitor told Rejewski that the Germans rountinely changed the daily key indicator setting for the codes.