This article is from the source 'bbc' and was first published or seen on . It last changed over 40 days ago and won't be checked again for changes.

You can find the current article at its original source at http://www.bbc.co.uk/news/technology-25495315

The article has changed 7 times. There is an RSS feed of changes available.

Version 0 Version 1
Royal pardon for codebreaker Alan Turing Royal pardon for codebreaker Alan Turing
(about 5 hours later)
Computer pioneer and codebreaker Alan Turing has been given a posthumous royal pardon.Computer pioneer and codebreaker Alan Turing has been given a posthumous royal pardon.
It overturns his 1952 conviction for homosexuality for which he was punished by being chemically castrated.It overturns his 1952 conviction for homosexuality for which he was punished by being chemically castrated.
The conviction meant he lost his security clearance and had to stop the code-cracking work that proved critical to the Allies in World War II. The conviction meant he lost his security clearance and had to stop the code-cracking work that proved vital to the Allies in World War II.
The pardon was granted under the Royal Prerogative of Mercy after a request by Justice Minister Chris Grayling.The pardon was granted under the Royal Prerogative of Mercy after a request by Justice Minister Chris Grayling.
'Appalling' treatment'Appalling' treatment
"Dr Alan Turing was an exceptional man with a brilliant mind," said Mr Grayling."Dr Alan Turing was an exceptional man with a brilliant mind," said Mr Grayling.
He said the research Turing carried out during the war at Bletchley Park undoubtedly shortened the conflict and saved thousands of lives.He said the research Turing carried out during the war at Bletchley Park undoubtedly shortened the conflict and saved thousands of lives.
Turing's work helped accelerate Allied efforts to read German Naval messages enciphered with the Enigma machine. He also contributed some more fundamental work on codebreaking that was only released to public scrutiny in April 2012.Turing's work helped accelerate Allied efforts to read German Naval messages enciphered with the Enigma machine. He also contributed some more fundamental work on codebreaking that was only released to public scrutiny in April 2012.
"His later life was overshadowed by his conviction for homosexual activity, a sentence we would now consider unjust and discriminatory and which has now been repealed," said Mr Grayling."His later life was overshadowed by his conviction for homosexual activity, a sentence we would now consider unjust and discriminatory and which has now been repealed," said Mr Grayling.
"Turing deserves to be remembered and recognised for his fantastic contribution to the war effort and his legacy to science. A pardon from the Queen is a fitting tribute to an exceptional man.""Turing deserves to be remembered and recognised for his fantastic contribution to the war effort and his legacy to science. A pardon from the Queen is a fitting tribute to an exceptional man."
The pardon comes into effect on 24 December.The pardon comes into effect on 24 December.
Turing died in June 1954 from cyanide poisoning and an inquest decided that he had committed suicide. However, biographers, friends and other students of his life dispute the finding and suggest his death was an accident.Turing died in June 1954 from cyanide poisoning and an inquest decided that he had committed suicide. However, biographers, friends and other students of his life dispute the finding and suggest his death was an accident.
Many people have campaigned for years to win a pardon for Turing.Many people have campaigned for years to win a pardon for Turing.
Lord Sharkey, a Liberal Democrat peer who wrote a private member's bill calling for a royal pardon in July 2012, said the decision was "wonderful news"Lord Sharkey, a Liberal Democrat peer who wrote a private member's bill calling for a royal pardon in July 2012, said the decision was "wonderful news"
"This has demonstrated wisdom and compassion," he said. "It has recognised a very great British hero and made some amends for the cruelty and injustice with which Turing was treated.""This has demonstrated wisdom and compassion," he said. "It has recognised a very great British hero and made some amends for the cruelty and injustice with which Turing was treated."
In December 2011, an e-petition was created on the Direct Gov site that asked for Turing to be pardoned. It gathered more than 34,000 signatures but its request was denied by Lord McNally who said Turing was "properly convicted" for what was at the time a criminal offence.In December 2011, an e-petition was created on the Direct Gov site that asked for Turing to be pardoned. It gathered more than 34,000 signatures but its request was denied by Lord McNally who said Turing was "properly convicted" for what was at the time a criminal offence.
Prior to that in August 2009, a petition was started to request a pardon. It won an official apology from then Prime Minister Gordon Brown. He said the way Turing was persecuted over his homosexuality was "appalling".Prior to that in August 2009, a petition was started to request a pardon. It won an official apology from then Prime Minister Gordon Brown. He said the way Turing was persecuted over his homosexuality was "appalling".