4 4 Moderator: Irene R. Heim, Professor and Head, Department of Linguistics and Philosophy, MIT * Susan Carey, Henry A. Morss, Jr. and Elizabeth W. Morss Professor of Psychology; Chair, Department of Psychology, Harvard University? * ??Gennaro Chierchia, Haas Foundations Professor of Linguistics and Chair, Department of Linguistics, Harvard University? * Steven Pinker, Harvard College Professor and Johnstone Family Professor, Department of Psychology, Harvard University * ?Patrick H. Winston '65 SM '67 PhD '70, Ford Professor of Artificial Intelligence and Computer Science, MIT??; Principal Investigator, Computer Science and Artificial Intelligence Laboratory; Chairman and Co-founder, Ascent Technology