Ph. D., Philosophy, Yale University. Edward J. Sexton Professor of Philosophy (2003-present), Claremont McKenna College. Director, Center for the Study of the Holocaust, Genocide, and Human Rights, Claremont McKenna College (2003-present). Russell K. Pitzer Professor of Philosophy (1976-2003) and Director, Marian Miner Cook Athenaeum (1985-87), Claremont McKenna College. Awarded Doctorate of Humane Letters by Indiana University, 1990, Grand Valley State University, 1998, Hebrew Union College, 1999, Western University of Health Sciences, 1999. Previously member of the U. S. Holocaust Memorial Council. Named U. S. National Professor of the Year by the Council for Advancement and Support of Education and the Carnegie Foundation for the Advancement of Teaching, 1988.

Publications include: Ethics after the Holocaust (1999). Approaches to Auschwitz: The Holocaust and Its Legacy (revised, second edition with Richard L. Rubenstein, 2003), After-Words: Post-Holocaust Struggles with Forgiveness, Reconciliation, Justice (ed. with David Patterson, 2004). Genocide in Rwanda: Complicity of the Churches? (ed. with Carol Rittner and Wendy Whitworth, 2004).