Gordon Pentland is Reader in History in the School of History, Classics and Archaeology at the University of Edinburgh. He has degrees from Oxford and Edinburgh and is a member of the RSE Young Academy of Scotland. His publications include Radicalism, Reform and National Identity, 1820-1833 (2008), Spirit of the Union: Popular Politics in Scotland, 1815-1820 (2011) and a large number of articles in journals including the English Historical Review, Historical Journal, Journal of British Studies, Past & Present and the Scottish Historical Review. Michael T. Davis is Lecturer in the School of Humanities at Griffith University. His publications include Radicalism and Revolution in Britain, 1775-1848 (2000); London Corresponding Society (2002); Newgate in Revolution: An Anthology of Radical Prison Literature in the Age of Revolution (ed. with I. McCalman and C. Parolin, 2005); Unrespectable Radicals? Popular Politics in the Age of Reform (ed. with P. A. Pickering, 2008); and Terror: From Tyrannicide to Terrorism in Europe, 1605 to the Future (ed. with B. Bowden, 2008).