Iain McLean is Official Fellow in Politics, Nuffield College, Oxford, and Professor of Politics, University of Oxford. He is the author of more than 100 papers and 15 books. Iain was born in Edinburgh and educated at the Royal High School and Oxford University. He has worked in Newcastle, (where he was also a county councillor), Warwick, and Oxford and held various visiting professorships overseas. He has been studying devolution and Scottish independence since his postgraduate dissertation on the SNP. He is a Fellow of both the British Academy and the Royal Society of Edinburgh. He has co-authored two policy explainer books for Edinburgh University Press: Scotland's Choices and Legally Married: Love and Law in the UK and the US. Jim Gallagher has worked as a civil servant for the UK Government and the Scottish Executive for over 30 years. He was senior advisor to two Prime Ministers on devolution strategy (2007-2010), Secretary of the Calman Commission on Scottish Devolution, and expert advisor to the Scottish Parliament committee considering the Scotland Bill. He is Gwilym Gibbon Fellow at Nuffield College, University Oxford, Visiting Professor in the Glasgow University Law School and Fellow of the Royal Society of Edinburgh. Guy Lodge is Associate Director at the Institute for Public Policy Research (IPPR), one of the UK's leading think tanks. He is responsible for IPPR's work on political and constitutional reform and devolved politics has published widely in this area. He is Gwilym Gibbon Fellow at Nuffield College, University of Oxford, and co-author with Anthony Seldon of Brown at 10, a history of Gordon Brown's term as UK Prime Minister.