Alan Turing was a British mathematician, computer scientist, and cryptanalyst who is widely considered to be the father of modern computing. He is best known for his work on breaking the German Enigma code during World War II, which helped the Allies win the war. Turing also developed the Turing machine, an early model of a computer, and the Turing test, a method of determining whether a computer can think like a human. He is remembered as one of the most influential figures in the history of computing.