Daniel M.G. Raff is Associate Professor of Management at the Wharton School of Business, Associate Professor of History, and Lecturer in Law at the University of Pennsylvania and a Research Associate of the National Bureau of Economic Research. He is the co-editor of four other scholarly books and the author of many articles and book chapters. Philip Scranton is Emeritus Board of Governors Professor, History of Industry and Technology, Rutgers University, author or editor of 15 scholarly books, the author of many articles and book chapters, and editor-in-chief of Enterprise and Society: The International Journal of Business History, 2007-14