John H. Arnold studied at the University of York, and worked firstly at the University of East Anglia, and then for a number of years at Birkbeck, University of London, before taking up the chair of medieval history at Cambridge in 2016. He works on medieval culture and religion, and on various aspects of modern historiography. He is the author, among many other things, of History: A Very Short Introduction (2002).
Matthew Hilton is Professor of Social History at Queen Mary University of London. He has published widely on the history of charities, social activism, consumption, and NGOs. His most recent books are Prosperity for All: Consumer Activism in an Era of Globalisation (2009) and The Politics of Expertise: How NGOs Shaped Modern Britain ( 2013). He has co-edited several collections of essays, including The Ages of Voluntarism (2011) and Transnationalism and Contemporary Global History (2013) and Cultural Studies Fifty Years On (2016).
Jan Rüger is Professor of History at Birkbeck, University of London. He is the author of The Great Naval Game: Britain and Germany in the Age of Empire (2007) and Heligoland: Britain, Germany and the Struggle for the North Sea (2017).