Margaret Somerville is professor of bioethics in the school of medicine at the University of Notre Dame Australia and Samuel Gale professor of law emerita, professor emerita in the faculty of medicine, and founding director emerita of the Centre for Medicine, Ethics and Law at McGill University, Montreal where she taught from 1978 to 2016. Her most recent book is Bird on an Ethics Wire: Battles about Values in the Culture Wars (MQUP 2015).