Noam Chomsky is an Institute Professor and Professor Emeritus in the Department of Linguistics at MIT.
Jonathan Lieberson (1949–1989) was a philosopher, editor and critic. Lieberson taught at Barnard and Columbia. His book of essays, Varieties, included reflections on personalities as diverse as Diana Vreeland, Paul Valery and Clifford Geertz.
Avishai Margalit is Professor Emeritus of Philosophy at the Hebrew University of Jerusalem. His most recent book is On Betrayal.