Philip T. Hoffman is Rea A. and Lela G. Axline Professor of Business Economics and Professor of History, California Institute of Technology.
Gilles Postel-Vinay is Director of Studies at the École des Hautes Études en Sciences Sociales, Paris.
Jean-Laurent Rosenthal is Rea A. and Lela G. Axline Professor of Business Economics at the California Institute of Technology.