John McCarthy, artificial intelligence and timesharing pioneer, playing chess at Stanford's IBM 7090
Date: 1967 ca.
Credit Line: Courtesy of Stanford University
Description: While at MIT, McCarthy made significant contributions to the field of computing, including creating the LISP programming system and organizing and directing the MIT Artificial Intelligence Project with Marvin Minsky. McCarthy also motivated Jack Dennis to develop a timesharing system for the PDP-1 and later Marvin Minsky and Fernando Corbato to pursue timesharing work under Project MAC.