Mathew Humphrey is Professor of Political Theory at the University of Nottingham, UK, and co-Director of the Centre for the Study of Political Ideologies. His books include Ecological Politics and Democratic Theory and Authenticity: The Cultural History of a Political Concept.

David Laycock is Professor of Political Science at Simon Fraser University, Canada. His books include The New Right and Democracy in Canada and Political Ideology in Parties, Policy and Civil Society: Interdisciplinary Insights.

Maiken Umbach is Professor of Modern History at the University of Nottingham, UK. Her books include Private Life and Privacy in Nazi Germany, Photography, Migration, and Identity: a German-Jewish-American Story and Authenticity: the Cultural History of a Political Concept.