Kevin Hjortshøj O'Rourke is the Chichele Professor of Economic History at the University of Oxford, a Fellow of All Souls College, and the Research Director of the Centre for Economic Policy Research. He received his PhD from Harvard in 1989. He has previously taught at Trinity College Dublin, University College Dublin, Columbia University, and Sciences Po, Paris. He is a Member of the Royal Irish Academy and a Fellow of the British Academy, and has served as President of the European Historical Economics Society, and Vice-President of the Economic History Association. He has worked extensively on the history of the international economy. Jeffrey Gale Williamson is Laird Bell Professor of Economics, emeritus, Harvard University, Honorary Fellow, Department of Economics, University of Wisconsin-Madison, Research Associate NBER and Research Fellow CEPR. President of the Economic History Association (1994-1995), Chairman of the Harvard Economics Department (1997-2000), and Master of Harvard's Mather House (1986-1993), his most recent books are: Unequal Gains: American Growth and Inequality since 1700 (2016, with Peter Lindert) The Cambridge History of Capitalism (2 vols. 2014, edited with Larry Neal) Trade and Poverty: When the Third World Fell Behind (2011) Globalization and the Poor Periphery before 1950 (2006) and Global Migration and the World Economy (2005, with Timothy Hatton).
