BBC Security Correspondent Gordon Corera goes inside the world of GCHQ to hear the legacy of Alan Turing on today's codebreakers

Oct 09, 2015, 11:15 AM

Alan Turing was the British mathematician who broke German codes at Bletchley Park during World War II. He committed suicide after he was prosecuted for homosexuality. A new biography is being published of Turing's life ­ by his own nephew Dermot Turing. It was launched yesterday in ­GCHQ. Gordon Corera is the BBC’s Security Correspondent.