The citation stated on his Turing award says it best: "For pioneering many of the ideas at the root of contemporary object-oriented programming languages, lead

The citation stated on his Turing award says it best: "For pioneering many of the ideas at the root of contemporary object-oriented programming languages, leading the team that developed Smalltalk, and for fundamental contributions to personal computing." [1] [1] http://amturing.acm.org/award_winners/kay_3972189.cfm http://amturing.acm.org/award_winners/kay_3972189.cfm