Alan Turing: The Enigma - Andrew Hodges, Douglas R. Hofstadter - Google Books

https://books.google.de/books?id=HyMcH_9eTtoC&pg=PA473&dq=organo#v=onepage

It is only a slight exaggeration to say that the British mathematician Alan Turing (1912-1954) saved the Allies from the Nazis, invented the computer and artificial intelligence, and anticipated gay liberation by decades--all before his suicide at age…