Martyn Housden is Emeritus Professor of Modern History at the University of Bradford, in the UK. Specializing in the history of refugees, Baltic Germans, and of Central and Eastern Europe, he is a member of the Baltic Historical Commission. His publications include: Helmut Nicolai and Nazi Ideology (St. Martin's Press, 1992); Hans Frank. Lebensraum and The Holocaust (Palgrave Macmillan 2003); and On their own Behalf. Ewald Ammende, Europe's National Minorities and the Campaign for Cultural Autonomy 1920-1936 (Rodopi/Brill 2014).