Alan Turing

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Alan Mathison Turing, OBE, FRS, was an English mathematician, logician, cryptanalyst and computer scientist.Turing is widely considered to be the father of computer science and artificial intelligence.

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He was highly influential in the development of computer science, providing a formalisation of the concepts of "algorithm" and "computation" with the Turing machine, which played a significant role in the creation of the modern computer.

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During World War II, Turing worked for the Government Code and Cypher School (GCCS) at Bletchley Park, Britain's codebreaking centre. For a time he was head of Hut 8, the section responsible for German naval cryptanalysis. He devised a number of techniques for breaking German ciphers, including the method of the bombe, an electromechanical machine that could find settings for the Enigma machine.

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After the war he worked at the National Physical Laboratory, where he created one of the first designs for a stored-program computer, the ACE.

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In 1948 Turing joined Max Newman's Computing Laboratory at Manchester University, where he assisted in the development of the Manchester computers and became interested in mathematical biology. He wrote a paper on the chemical basis of morphogenesis,and he predicted oscillating chemical reactions such as the Belousovâ€"Zhabotinsky reaction, which were first observed in the 1960s.

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The Turing Machine is used to simulate the logic of a computer algorithm and is helpful in explaining the functioning of a CPU and its doodlised version tests the logicial abilities of Google users.

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The doodle is an interactive doodle that requires users to break a set of six codes and each successful code break adds colour to a letter of the greyed out Google logo on doodle.

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Here's a video explaining how you can go about playing with the doodle in your attempt to solve the Alan Turing Google doodle code: http://youtu.be/84pbZSt_a9k

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