Lecture 1: From Language to Commitment Lecture 2: From Commitment to Responsibility

Philip Pettit is an L. S. Rockefeller University Professor of Politics and Human Values at Princeton University, where he has taught political theory and philosophy since 2002. Since 2012–13 has held a joint position as Distinguished University Professor of Philosophy at the Australian National University, Canberra. Born and raised in Ireland, he was a lecturer at University College, Dublin, a research fellow at Trinity Hall, Cambridge, and a professor of philosophy at the University of Bradford, before moving in 1983 to the Research School of Social Sciences, Australian National University.