The breaking of Germany's top-secret Enigma Code at Bletchley Park in the United Kingdom was one of World War II's biggest secrets, alongside the construction of the atomic bombs. Some historians ...

The story of breaking the unbreakable German Enigma Code by Alan Turing during WWII. Narrated by Keith Morrison of "Dateline," the breaking of Germany's top-secret Enigma Code at Bletchley Park in the ...