Soran Reader (1963-2012) was Reader in Philosophy at Durham University. She was the author of Needs and Moral Necessity (2007). Gillian Brock is Professor of Philosophy at the University of Auckland and a recent Fellow at the Edmond J Safra Center for Ethics at Harvard University. She has published widely on ethics, political and social philosophy, and several applied ethics fields, along with a number of more inter-disciplinary areas. Her latest book is Justice for People on the Move (2022).