Autorenportrait
Stefan Berger is Professor of Social History and Director of the Institute for Social Movements at Ruhr-Universität Bochum, Germany. He is also Executive Chair of the History of the Ruhr Foundation and Honorary Professor at Cardiff University, UK. Ludger Pries is Professor of Sociology at Ruhr-Universität Bochum, Germany. Manfred Wannöffel is Director of the Office for Cooperation between Ruhr-Universität Bochum and the German Metalworkers' Union (IG Metall).