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Alan Turing

From Simple English Wikipedia, the free encyclopedia
Astatue of Alan Turing
Turing had the idea of the 'bombe', a mechanical computer. Details were added by others, and it was built by a Post Office engineer. This is a rebuild of the original

Alan Mathison Turing (London, 23 June 1912 –Wilmslow,Cheshire, 7 June 1954) was anEnglishmathematician andcomputer scientist. He is known as the father ofcomputer science. He was born inMaida Vale, London.[1]

Early life

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Turing was born in Maida Vale, London. His father came from a Scottish merchant family. His mother, Ethel Sara Stoney, was the daughter of anengineer fromIreland. Turing was very good at math when he was young.

Education

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He went to school at St. Michael’s in St Leonards-on-Sea. Later, he studied atCambridge University andPrinceton University.

Career

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In 1936, Turing wrote about a theoretical machine called theTuring machine. This idea became important in the development ofcomputers. He also created the idea of acomputer program.

DuringWorld War II, Turing worked atBletchley Park. He helped break secret German messages made by theEnigma machine. This helped theAllies win the war and may have saved millions of lives.

He worked for theGovernment Code and Cypher School (GC&CS), usingcryptanalysis to break Nazi codes. Later, he helped design theAutomatic Computing Engine (ACE), one of the first stored-program computers. He presented the design in 1946.[2]

Turing was also interested inartificial intelligence. He proposed theTuring test to check if a machine can "think".[3]

Private life

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Turing washomosexual. In1952, he admitted to having sex with a man. At that time, being gay was illegal in the UK. He wasconvicted and had to choose betweenprison or taking hormones to reduce his sex drive. He chose themedicine.[4] This caused him health problems likeimpotence and breast growth.[5]

Death

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In 1954, Turing died fromcyanide poisoning. Some say he ate a poisonedapple, but the apple was never tested.[6] It is believed he died by suicide.

Legacy

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In 2009, apetition asked the UK Government to say sorry for how Turing was treated.[7][8] Prime MinisterGordon Brown later gave an apology and called Turing's treatment "appalling".[9]

In 2013, QueenElizabeth II gave him aroyal pardon.[10][11][12][13]

The “Turing Law” was later passed to pardon other men who were punished under old anti-gay laws.

References

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  1. Newman M.H.A. 1955. Alan Mathison Turing. 1912–1954.Biographical Memoirs of Fellows of the Royal Society1: 253.Archived 2015-03-28 at theWayback Machine
  2. Copeland, B. Jack 2006.Colossus: The secrets of Bletchley Park's code-breaking computers. Oxford University Press. p108ISBN 978-0-19-284055-4
  3. Harnad, Stevan 2008.The Annotation game: Turing (1950) on Computing, machinery and intelligenceArchived 2011-07-17 at theWayback Machine. In: Epstein, Robert & Peters, Grace (eds)Parsing the Turing Test: philosophical and methodological issues in the quest for the thinking computer. Springer
  4. Turing, Alan (1952)."Letters of Note: Yours in distress, Alan". Archived fromthe original on December 16, 2012. RetrievedJanuary 28, 2013.
  5. Andrew Hodges (2012).Alan Turing: The Enigma The Centenary Edition. Princeton University.ISBN 9780691155647.
  6. Hodges, Andrew 1983.Alan Turing: the enigma. London: Burnett Books, p488.ISBN 0-04-510060-8
  7. Thousands call for Turing apology. BBC News. 31 August 2009. Retrieved31 August 2009.
  8. Petition seeks apology for Enigma code-breaker Turing. CNN. 1 September 2009. Retrieved1 September 2009.
  9. "PM's apology to codebreaker Alan Turing: we were inhumane".The Guardian. 11 September 2009.
  10. "Parliamentary bill launched for Alan Turing pardon".The Guardian. 25 July 2012. Retrieved25 July 2012.
  11. Nicholas Watt (19 July 2013)."Enigma codebreaker Alan Turing to be given posthumous pardon".The Guardian.
  12. Oliver Wright (23 December 2013)."Alan Turing gets his royal pardon for 'gross indecency' – 61 years after he poisoned himself".The Independent.
  13. "(Archived copy of) Royal Pardon for Alan Turing"(PDF).


Other websites

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  • Jack Copeland 2012. Alan Turing: The codebreaker who saved 'millions of lives'. BBC News / Technology
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