Hilary Putnam, Born 31 July 1926, Died 13 March 2016 By hunter225 Jul 31, 1926 Born in Chicago, Illinois. 1951 Recieved Ph. D in the concept of probability. Period: 1951 to 1976 Taught philosophy at Northwestern University, Princeton, and MIT. 1975 "Philosophy and Our Mental Life" Reference number one. 1975 The Twin Earth Theory See number two. 2000 Retired from Harvard as a professor. 2005 The Brain VAT Theory See Number Four 2011 Awarded The Rolf Schock Prize https://www.youtube.com/watch?v=y_a0ANCypGw&t=1304s See number three.