GREGORY CLAEYS was born in France and educated in Canada and the United Kingdom, receiving his PhD from the University of Cambridge in 1983. He has taught in Canada, Germany and the U.S. and since 1992 has been Professor of the History of Political Thought at Royal Holloway, University of London. He is the author of Machinery, Money and the Millennium: From Moral Economy to Socialism (Princeton University Press, 1987), Citizens and Saints: Politics and Anti-Politics in Early British Socialism (Cambridge University Press, 1989), Thomas Paine: Social and Political Thought (Unwin Hyman, 1989); The French Revolution Debate in Britain (Palgrave Macmillan, 2007), Imperial Sceptics: British Critics of Empire, 1850–1920 (Cambridge University Press, 2010), Searching for Utopia: the History of an Idea (Thames & Hudson, 2011; German, Spanish, Portuguese, Japanese editions), Mill and Paternalism (Cambridge University Press, 2013), and Dystopia: A Natural History (Oxford University Press, 2016). He has edited The Cambridge Companion to Utopian Literature (Cambridge University Press, 2010) and (with Gareth Stedman Jones) The Cambridge History of Nineteenth Century Political Thought (Camb