David McCrone is Emeritus Professor of Sociology in the Institute of Governance at the University of Edinburgh and a Fellow of both the Royal Society of Edinburgh and of the British Academy. He has published Understanding Scotland: The Sociology of a Nation (1992 and 2001), The Sociology of Nationalism: Tomorrow's Ancestors (1998), National Days: Constructing and Mobilising National Identity (2009, with Gayle McPherson) and, most recently, The Crisis of Social Democracy in Europe (2013, edited with Michael Keating). Frank Bechhofer is Emeritus Professor of Social Research at the University of Edinburgh and Honorary Professorial Research Fellow in the Institute of Governance. He is a Fellow of the Royal Society of Edinburgh. He is a co-author of The Affluent Worker (Cambridge University Press, 1968 and 1969), Principles of Research Design in the Social Sciences, (2000, with Lindsay Paterson) and The Petite Bourgeoisie: Comparative Studies of the Uneasy Stratum (1981, edited with Brian Elliott).