Difference between revisions of "Alan Turing"
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| − | [[File:Alan Turing photo.jpg|thumb|Alan Turing in 1951]]'''Alan Turing''' ( | + | [[File:Alan Turing photo.jpg|thumb|Alan Turing in 1951]]'''Alan Turing''' (1912–1954) was an English mathematician and founder of the science of computing, who did very important cryptographic work during World War 2, but was later prosecuted for homosexual acts, leading to his apparent suicide. |
During the 1930s Turing did groundbreaking work on the theory of computing. He invented the concept of the "Turing machine", which is key to the theory of computation. | During the 1930s Turing did groundbreaking work on the theory of computing. He invented the concept of the "Turing machine", which is key to the theory of computation. | ||
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During the second world war he had a leading role in the effort at Bletchley Park to break the German ciphers, including development work which led to the construction of what was effectively the world's first computer. The work of Bletchley Park remained secret for many years after the war, but is now recognised as having had a crucial role in the British war effort. | During the second world war he had a leading role in the effort at Bletchley Park to break the German ciphers, including development work which led to the construction of what was effectively the world's first computer. The work of Bletchley Park remained secret for many years after the war, but is now recognised as having had a crucial role in the British war effort. | ||
| − | After the war, he worked on computer design at the National Physical Laboratory in Surrey, and subsequently, | + | After the war, he worked on computer design at the National Physical Laboratory in Surrey, and subsequently, at the [[Victoria University of Manchester]], on artificial intelligence. |
Turing was a noted amateur athlete, running with the Walton Athletic Club while working at the NPL, and but for illness might have competed in the 1948 Olympic Games. | Turing was a noted amateur athlete, running with the Walton Athletic Club while working at the NPL, and but for illness might have competed in the 1948 Olympic Games. | ||
| − | + | Around December 1951 he met 18 year old Arnold Murray in the Oxford Road area of Manchester. Murray spent the night with him at his house in Wilmslow [[Cheshire]].. Later Murray helped an accomplice break into the house. Turing reported the crime to the police, who were however more interested in his relationship with Murray. Both were charged with [[gross indecency]] under Section 11 of the [[Criminal Law Amendment Act 1885]]. Turing was given a choice between imprisonment and probation accompanied by hormonal treatment equivalent to "[[chemical castration]]". His security clearance was revoked, which meant he was no longer allowed to work on secret Government cryptographic work, even though he had worked during the war on matters of the highest importance and utmost secrecy. | |
| − | In June 1954 he committed suicide apparently by eating an apple containing cyanide | + | In June 1954 he may have committed suicide apparently by eating an apple containing cyanide. Although the inquest verdict was suicide this was not accepted by many and doubt still exists about the verdict. |
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| + | Turing was unknown as a gay icon until he was first mentioned in a leaflet published in 1974 by [[Gay Left]] <ref> Professor Chris Waters talking at The Studio Voltaire, Clapham, London 23 Mar 2019 on 'In Alan Turing's name: Pardoning the dead, Forgetting the living' </ref>. | ||
In 1999, <cite>Time Magazine</cite> included Turing in its 100 Most Important People of the 20th Century. | In 1999, <cite>Time Magazine</cite> included Turing in its 100 Most Important People of the 20th Century. | ||
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In 2009 the British Government issued an apology for the way Turing had been treated. | In 2009 the British Government issued an apology for the way Turing had been treated. | ||
| − | In 2011 an e-petition was raised asking for Turing to be officially pardoned | + | In 2011 an e-petition was raised asking for Turing to be officially pardoned. He received a posthumous royal pardon on 24 December 2013. |
| + | |||
| + | In July 2019 it was announced that Turing would feature on the next design of the £50 sterling note. | ||
==External sites== | ==External sites== | ||
| − | <cite>The Alan Turing Home Page</cite>, maintained by [[Andrew Hodges]]; http://www.turing.org.uk/turing/ | + | <cite>The Alan Turing Home Page</cite>, maintained by [[Andrew Hodges]]; http://www.turing.org.uk/turing/ |
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| + | {{stub}} | ||
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| + | ==References== | ||
| + | <references> | ||
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==Further reading== | ==Further reading== | ||
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[[Category:Suicides]] | [[Category:Suicides]] | ||
[[Category:1954 deaths]] | [[Category:1954 deaths]] | ||
| + | [[Category:1912 births]] | ||
Latest revision as of 13:15, 18 June 2023
Alan Turing (1912–1954) was an English mathematician and founder of the science of computing, who did very important cryptographic work during World War 2, but was later prosecuted for homosexual acts, leading to his apparent suicide.
During the 1930s Turing did groundbreaking work on the theory of computing. He invented the concept of the "Turing machine", which is key to the theory of computation.
During the second world war he had a leading role in the effort at Bletchley Park to break the German ciphers, including development work which led to the construction of what was effectively the world's first computer. The work of Bletchley Park remained secret for many years after the war, but is now recognised as having had a crucial role in the British war effort.
After the war, he worked on computer design at the National Physical Laboratory in Surrey, and subsequently, at the Victoria University of Manchester, on artificial intelligence.
Turing was a noted amateur athlete, running with the Walton Athletic Club while working at the NPL, and but for illness might have competed in the 1948 Olympic Games.
Around December 1951 he met 18 year old Arnold Murray in the Oxford Road area of Manchester. Murray spent the night with him at his house in Wilmslow Cheshire.. Later Murray helped an accomplice break into the house. Turing reported the crime to the police, who were however more interested in his relationship with Murray. Both were charged with gross indecency under Section 11 of the Criminal Law Amendment Act 1885. Turing was given a choice between imprisonment and probation accompanied by hormonal treatment equivalent to "chemical castration". His security clearance was revoked, which meant he was no longer allowed to work on secret Government cryptographic work, even though he had worked during the war on matters of the highest importance and utmost secrecy.
In June 1954 he may have committed suicide apparently by eating an apple containing cyanide. Although the inquest verdict was suicide this was not accepted by many and doubt still exists about the verdict.
Turing was unknown as a gay icon until he was first mentioned in a leaflet published in 1974 by Gay Left [1].
In 1999, Time Magazine included Turing in its 100 Most Important People of the 20th Century.
In 2009 the British Government issued an apology for the way Turing had been treated.
In 2011 an e-petition was raised asking for Turing to be officially pardoned. He received a posthumous royal pardon on 24 December 2013.
In July 2019 it was announced that Turing would feature on the next design of the £50 sterling note.
External sites
The Alan Turing Home Page, maintained by Andrew Hodges; http://www.turing.org.uk/turing/
- This article is a stub. You can help the UK LGBT History Project by expanding it.
References
- ↑ Professor Chris Waters talking at The Studio Voltaire, Clapham, London 23 Mar 2019 on 'In Alan Turing's name: Pardoning the dead, Forgetting the living'
