Thomas E. Hill Jr. is Kenan Professor of Philosophy at the University of North Carolina, Chapel Hill. He has also taught at the University of California at Los Angeles and has held visiting appointments at Stanford University and the University of Minnesota. He has written widely on ethics and political philosophy. Books published previously include 'Human Welfare and Moral Worth' (2002), 'Respect, Pluralism and Justice: Kantian Perspectives' (2000) and 'Dignity and Practical Reason in Kant's Moral Theory' (1992). Arnulf Zweig currently teaches at Baruch College, City University of New