History Channel - Heroes of War Poland (2014) Part 3 Cracking Enigma

Heroes of War Poland

2014 marks the 75th anniversary of the beginning of World War II. This new series takes us back to a time when ordinary people became extraordinary heroes, freedom fighters, spies and code-breakers, often in deadly battles with Nazi forces. Set in Poland, which was home to some of the war's worst atrocities, Heroes of War uncovers tales of heroism and sacrifice from a number of unsung heroes of World War II. Featuring interviews with the few remaining eyewitnesses, access to newly released documents, re-enactment and archive footage, it reveals the true and, until now, hidden stories of heroism during wartime.

Part 3: Cracking Enigma

The third episode takes up the story of how the British broke the “Enigma” encryption machines of the German armed forces using the knowledge gained by Poland in the 1930s. Working for the Cypher Bureau of the Polish General Staff, and using only encrypted messages, mathematician Marian Rejewski and two colleagues reverse-engineered an Enigma machine and built a “cryptologic bomb” to translate messages

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