Alan Turing broke the German Enigma code during World War II and devised the Turing machine and the Turing test of computer intelligence. Unabashedly gay, he committed suicide after being convicted of homosexual acts.
Augusta Ada King, Countess of Lovelace December 1815 – 27 November commonly known as Ada Lovelace, was an English mathematician and writer chiefly known for her work on Charles Babbage's early mechanical general-purpose computer, the Analytical Engine.