Robert Van Horn is Assistant Professor of Economics at the University of Rhode Island. He received his Ph.D. in Economics from the University of Notre Dame in 2007 and was a Postdoctoral Associate at the Center for the History of Political Economy at Duke University in 2008–9. His published work on the history of the Chicago School comprises two chapters in Philip Mirowski and Dieter Plehwe's The Road from Mont Pelerin: Making of the Neoliberal Thought Collective (2009) and two articles in Ross Emmett's The Elgar Companion to the Chicago School of Economics (2010). Professor Van Horn has also published in History of Political Economy, the Journal of the History of Economic Thought, Research in the History of Economic Thought and Methodology and Social Studies of Science. Philip Mirowski is Carl Koch Professor of Economics and the History and Philosophy of Science at the University of Notre Dame. His areas of specialization are in the history and philosophy of economics and the politics and economics of knowledge, with subsidiary areas in evolutionary computational economics, the economics of science and technological change, science studies and the history of the natural sciences. His most recent books include The Effortless Economy of Science (2004, winner of the Ludwig Fleck Prize from the Society for the Social Studies of Science), Machine Dreams (Cambridge University Press, 2001) and ScienceMart (2011), and he edited Agreement on Demand (2006), Science Bought and Sold (2001) and The Road from Mont Pèlerin (2009). His landmark book More Heat than Light (Cambridge University Press, 1989) has been translated into French (2001). He has been the recipient of fellowships from the Fulbright program and New York University and was elected visiting Fellow at All Souls College, Oxford. He was elected President of the History of Economics Society for 2011. Thomas Stapleford is Associate Professor in the Program of Liberal Studies at the University of Notre Dame. He received his Ph.D. from the Department of the History of Science at Harvard University in 2003, where he studied the history of the social sciences. His dissertation, revised and published as The Cost of Living in America: A Political History of Economic Statistics, 1880–2000 (Cambridge University Press, 2009), won the Joseph Dorfman Best Dissertation Award from the History of Economics Society in 2004. Professor Stapleford was a Visiting Scholar at the American Academy of Arts and Sciences in Cambridge, MA, in 2008–9. He has published articles on economic statistics and political economy in a variety of journals and is currently working on a history of family economics, the first effort by economists to make empirical studies of household life.