Sonja Levsen is Professor of History at the University of Trier. Her research focuses on the cultural and social history of twentieth-century Europe in transnational and comparative perspectives, with special attention to British, French and German history. She has published on political culture in interwar Britain and Germany, on youth in post-1945 Europe, on the history of democracy after 1945 and on the transformation processes of French and German societies after the Second World War, with special focus on education.

Kiran Klaus Patel is Professor of History at Ludwig Maximilian University (LMU) in Munich and founding director of LMU's Project House Europe, a research centre on Europe's contemporary history. His research focuses on transnational and global approaches to history and empirically on nineteenth- and twentieth-century US American and European history.