From The Guardian:
Alan Turing, the second world war codebreaker who took his own life after undergoing chemical castration following a conviction for homosexual activity, has been granted a posthumous royal pardon 59 years after his death.
The brilliant mathematician, who played a major role in breaking the Enigma code – which arguably shortened the war by at least two years – has been granted a pardon under the Royal Prerogative of Mercy by the Queen, following a request from the justice secretary, Chris Grayling.
Turing was considered to be the father of modern computer science and was most famous for his work in helping to create the "bombe" that cracked messages enciphered with the German Enigma machines. He was convicted of gross indecency in 1952 after admitting a sexual relationship with a man.
He was given experimental chemical castration as a "treatment". His criminal record resulted in the loss of his security clearance and meant he was no longer able to work for Government Communications Headquarters (GCHQ), where he had been employed following service at Bletchley Park during the war. He died of cyanide poisoning in 1954, aged 41.
...Writer David Leavitt, professor of English at Florida University and author of The Man Who Knew Too Much: Alan Turing and the Invention of the Computer (2006), said it was "great news". The conviction had had "a profound and devastating" effect on Turing, Leavitt said, as the mathematician felt he was being "followed and hounded" by the police "because he was considered a security risk".
"There was this paranoid idea in 1950s England of the homosexual traitor, that he would be seduced by a Russian agent and go over to the other side," Leavitt said. "It was such a misjudgment of Alan Turing because he was so honest, and was so patriotic."
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