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Alan Turing was a pioneering British mathematician, logician, and cryptanalyst who is widely considered one of the founding figures of computer science. Born on June 23, 1912, Turing played a crucial role in developing theoretical computer science, notably formulating the concept of the Turing machine, a fundamental model of computation. During World War II, he was instrumental in breaking the German Enigma code, significantly aiding the Allied war effort. Despite his immense contributions to science and wartime efforts, Turing faced persecution due to his homosexuality, which was then criminalized in the UK. Following his prosecution, he died on June 7, 1954, under circumstances often regarded as tragic. Posthumously, Turing has been celebrated and recognized for his groundbreaking work, highlighting his enduring legacy in the fields of computer science, artificial intelligence, and LGBTQ+ history.