Alan Turing 

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Alan Turing was a British mathematician. He made major contributions to the fields of mathematics, computer science, and artificial intelligence. He worked for the British government during World War II, when he succeeded in breaking the secret code Germany used to communicate. In 2019 the Bank of England announced that Turing would be featured on the new 50-pound banknote. The note was expected to enter circulation in 2021.

Early life

Alan Mathison Turing was born on June 23, 1912, in London, England. He was educated at a top private school and then attended the University of Cambridge. He wrote a number of important papers while there. In 1936 Turing moved to Princeton University in the United States to study for a doctorate in mathematical logic. It was during that time that he introduced the theory for a computing device called the Turing machine. The Turing machine became the basis for all digital computers. Turing completed the doctorate in 1938.

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Code breaker

 

In September 1939 Great Britain went to war against Germany. During the war, Turing worked at the Government Code and Cypher School at Bletchley Park. Turing and others designed a code-breaking machine known as the Bombe. They used the Bombe to learn German military secrets. By early 1942 the code breakers at Bletchley Park were decoding about 39,000 messages a month. At the end of the war, Turing was made an Officer of the Most Excellent Order of the British Empire.

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Computer designer

In 1945, after the end of World War II, Turing was recruited to create an electronic computer. However, the machine he designed was thought to be too difficult to build. A much smaller machine was built instead. Turing then moved to the University of Manchester. The world’s first working digital computer was built there in 1948. Turing designed an input-output system and the programming system for the computer.

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FINAL YEARS

In 1952 Turing was found guilty of being a homosexual, which was a crime in Britain at the time. As a result, Turing had a criminal record, so he could no longer work for the government’s code-breaking center. He spent the remaining years of his life working at Manchester and on research on artificially creating living things.

 

Turing was found dead in his bed on June 7, 1954, in Wilmslow, England. His death was ruled a suicide by cyanide poisoning, but no final conclusion could be made. His death may have been a suicide, an accident, or a murder.

Text courtesy of Britannica Kids

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