
Formalised computation itself, broke Enigma at Bletchley Park, and in 1950 proposed the imitation game that still frames the question. Prosecuted for homosexuality in 1952; died two years later. Pardoned posthumously in 2013.
John McCarthy
Marvin Minsky
Claude Shannon
Herbert A. Simon
Allen Newell
Frank RosenblattArthur Samuel
Norbert WienerPortrait by Dmitry Tonkonog, CC BY-SA 3.0, via Wikimedia Commons. Roles and dates are drawn from public professional records. Where a current role is listed, it reflects the most recent information available and may have changed.