Walter M. Cabot Professor of Aesthetics and General Theory of Value at Harvard University from 1963 to 1997. His diverse publications cover film theory, literary theory, painting, and music, as well as epistemology, and essays on philosophers from Wittgenstein to Heidegger and Derrida. They include Must we Mean What we Say? (1969), The Claim of Reason (1979), and Themes Out of School (1984). He was the recipient of a ‘Genius Award’ from the MacArthur Foundation in 1992.