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Alan Mathison Turing (1912–1954) was an English mathematician, computer scientist, logician, cryptanalyst, philosopher, and theoretical biologist. Turing was highly influential in the development of theoretical computer science, providing a formalisation of the concepts of algorithm and computation with the Turing machine, which can be considered a model of a general-purpose computer. He is widely considered to be the father of theoretical computer science and artificial intelligence.
Estimated to have saved millions of lives by shortening the war, his codebreaking logic applied during the Second World War along with fellow codebreakers serves as an act of intellectual heroism. In recent years, Turing has become a figurehead for gay rights following his posthumous pardon from Her Majesty The Queen in 2013, which has since led to further pardons to gay men and created what’s become known as ‘Turing’s Law’.
Recently honoured by the Bank of England by the inclusion of his portrait on a new £50 note, this is the first time the Royal Mint has commemorated Alan Turing on a UK coin.
The fifth crowned portrait of HM Queen Elizabeth II facing right, wearing the George IV State Diadem and drop earrings.
·ELIZABETH II·D·G·REG·F·D·50 PENCE·2022
Depicts it will show a wheel from Turing's anti-Enigma bombe and the inscription ALAN TURING set against a background of letters. The design incorporates elements of codebreaking as a fitting tribute to Alan Turing.