Matthew Clayton is Professor of Political Theory in the Department of Politics and International Studies at the University of Warwick. He has also held posts at the University of Essex and Brunel University. He is author of Justice and Legitimacy in Upbringing (OUP, 2006) and co-editor of Social Justice (Blackwell, 2004) and The Ideal of Equality (Palgrave, 2002). Andrew Mason is Professor of Political Theory in the Department of Politics and International Studies at the University of Warwick. He has also held posts at the Universities of St Andrews, Oxford, Hull, Reading, and Southampton, and visiting fellowships at the European University Institute, KU Leuven, Goethe University Frankfurt, and Aarhus University. He is author of several books, including What's Wrong with Lookism? (OUP, 2023), Living Together as Equals (OUP, 2012), Levelling the Playing Field (OUP, 2006), and Community, Solidarity and Belonging (CUP, 2000). Adam Swift is Professor of Political Theory in the Department of Political Science at University College London. Before moving to UCL he was Fellow in Politics and Sociology at Balliol College, University of Oxford, where he founded the Centre for the Study of Social Justice, and Professor of Political Theory at the University of Warwick. He is co-author of Educational Goods: Values, Evidence and Decision-Making (Chicago UP, 2018) and Family Values: The Ethics of Parent-Child Relationships (Princeton UP, 2014), and author of Political Philosophy: A Beginners' Guide for Students and Politicians (Polity 4th edition, 2019) and How Not To Be A Hypocrite: School Choice for the Morally Perplexed Parent (Routledge, 2003).