Britain's Greatest Codebreaker

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Britain's Greatest Codebreaker (2012) is streaming on Magellan TV.

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2012 · Movie · 62 min⭐ 6.0· Updated Sep 2026

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You can stream Britain's Greatest Codebreaker (2012) on Magellan TV with a subscription.

Alan Turing is the genius British mathematician who was instrumental in breaking the German naval Enigma Code during World War II, arguably saving millions of lives. Turing's achievements went unrecognised during his lifetime. Instead he ended up being treated as a common criminal, for being homosexual at a time when homosexual acts were a crime. In 1952, he was convicted of 'gross indecency' with another man and was forced to undergo so-called 'organo-therapy' - chemical castration. Two years later, he killed himself with cyanide, aged just 41. Alan Turing was driven to a terrible despair and early death by the nation he'd done so much to save.

Trailer

Directors

Clare Beavan, Nic Stacey

Cast

Ed Stoppard, Henry Goodman, Paul McGann, Asa Briggs, Jean Valentine, David Leavitt, Rolf Noskwith, Dermot Turing, Christopher Morcom, Ian Stewart

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suicide · world war ii · genius · cryptographic device · male homosexuality · mental health · cryptologist · cryptography · computer science · life and career

Britain's Greatest Codebreaker is streaming on Magellan TV. Britain's Greatest Codebreaker is streaming on Xive TV Documentaries Amazon Channel. Availability last verified September 16, 2026.