Unsung Heroes of World War II: Europe Episode 10, Marian Rejewski and Breaking Enigma Episode 10, Marian Rejewski and Breaking Enigma.

Streaming video - 2020

The story behind the story is often more interesting than the dominant narrative. You likely have heard of the British codebreakers at Bletchley Park, whose Enigma machine helped win the war. Here, meet several Polish mathematicians who developed a prototype Enigma machine and broke much of the German code years before Bletchley Park.