Stephen Trombley is a writer, editor and Emmy Award-winning filmmaker. He collaborated with Alan Bullock on the second edition of The Fontana Dictionary of Modern Thought, and was editor of The New Fontana Dictionary of Modern Thought. His books include A Very Short History of Western Thought; The Execution Protocol; Sir Frederick Treves: The Extraordinary Edwardian; The Right to Reproduce; and ‘All That Summer She Was Mad’: Virginia Woolf and her Doctors. Visit his website HERE

Christopher Bertram is Professor of Social and Political Philosophy at the Department of Philosophy, University of Bristol. He is the author of Rousseau and The Social Contract (2003) and he is editor of the new Penguin edition of Rousseau’s Social Contract. He was recently President of the Rousseau Association and organized the Association’s 2011 Colloquium. His research interests are in political philosophy and the history of political thought. Most recently he has been thinking about justice in relation to territory and migration. He blogs at Crooked Timber and is active around rights for migrants and asylum seekers, particularly through Migrant Rights Centre Bristol.