Dieter RuchtDieter Rucht is a Professor Emeritus of Sociology at the Free University of Berlin. Until 2011 he was co-chair of the research group 'Civil Society, Citizenship and Political Mobilization in Europe' at the Social Science Centre (WZB), Berlin. His mai fields of research are social movements and political protest, political participation, sociology of the public sphere and the sociology of conflict. Read More Read Less