Roger E. Backhouse is Professor of the History and Philosophy of Economics at the University of Birmingham, where he has taught since 1980. He has held a part-time position in the Erasmus Institute of Philosophy and Economics, and in 2007 he was Ludwig Lachmann Research Fellow in the Department of Philosophy at the London School of Economics. He has also taught at University College London, Keele University, the University of Bristol, the University of Buckingham, and the University of Oporto. He currently holds a Leverhulme Trust Major Research Fellowship to write an intellectual biography of Paul Samuelson. He is the coeditor of The History of the Social Sciences since 1945 (Cambridge, 2010); The Unsocial Social Science?: Economics and Neighboring Disciplines since 1945 (2010); and The Cambridge Companion to Keynes (Cambridge, 2006). He is author of The Ordinary Business of Life (2002) and The Penguin History of Economics (2002). He has written for a number of journals, including Economica, the Journal of Economic Perspectives, History of Political Economy, the Journal of the History of Economic Thought, and the Journal of Economic Methodology. He has been review editor for the Economic Journal, editor of the Journal of Economic Methodology, and associate editor of the Journal of the History of Economic Thought. Philippe Fontaine is Professor of Economics in the Department of Economics at Ecole Normale Superieure de Cachan. In 2003-4, he was Ludwig Lachmann Research Fellow in the Department of Philosophy at the London School of Economics and Political Science. He is the coeditor of The History of the Social Sciences since 1945 (Cambridge, 2010); The Unsocial Social Science?: Economics and Neighboring Disciplines since 1945 (2010); and The Experiment in the History of Economics (2005). He has written for a number of journals, including the British Journal of Sociology, Economics and Philosophy, History of Political Economy, Isis, the Journal of the History of Economic Thought, and Science in Context. He has been the associate editor of Revue de philosophie economique. In 2005, he received the Best Article Award from the Forum for History of Human Science. In 2008, he was the recipient of the prix d'excellence en sciences sociales from Foundation Mattei Dogan/CNRS.