Ira Katznelson is Ruggles Professor of Political Science and History at Columbia University and Research Associate at the Centre for History and Economics, King's College, Cambridge. A Fellow of the American Academy of Arts and Sciences and the American Philosophical Society, Professor Katznelson has published widely on the history of the western liberal tradition.
Gareth Stedman Jones is Professor of Political Thought in the Faculty of History at the University of Cambridge. A fellow of King's College, Cambridge since 1974, he is also Director of the Centre for History and Economics and a Member of the Conseil Scientifique of the CNRS. Professor Stedman Jones has published numerous books and articles on Victorian London and modern European political thought.