He was a very intelligent man but he was homosexual which at the time was unacceptable. All male homosexual activity was illegal until 1967, and Turing was prosecuted when an affair with a young man came to the notice of the police. Turing was harassed by the police. Alan Turing was the man who broke a German top secret code called the enigma. After Turing passed away he was given a pardon by the queen saying he was not a criminal.Turing moved to the University of Manchester, where electronic engineers had already demonstrated a very small stored-program computer and that is how he got interested in computers. He was so smart because he went to Cambridge.