Holger Nehring completed his D.Phil. at University College, Oxford, before taking up a research fellowship at St. Peter's College, Oxford. He has been teaching at the University of Sheffield since March 2006. His interests lie in the transnational history of social movements and activism, peace history, the history of violence, and the history of the Cold War. He is one of the co-founders of the Centre for Peace History at Sheffield, one of the very few institutions in the world that specialises in research on and teaching of the historical contingencies of peace making and peace keeping.