Steven M. Cahn is Professor of Philosophy at the City University of New York Graduate Center. He is the author of Exploring Philosophy, Fifth Edition (OUP, 2015); Classic and Contemporary Readings in the Philosophy of Education (OUP, 2011); Ethics: History, Theory and Contemporary Issues, Fifth Edition (OUP, 2011); Political Philosophy, Third Edition (OUP, 2015); and The Meaning of Life, Fourth Edition (OUP, 2017), among others.