born 1962 in Kassel, studied Political Science, History and Sociology in Frankfurt am Main, Siena and Moscow. He completed his doctorate on »The Impact of the Afghanistan War on Soviet Society«. He taught International realtions and Contemporary East European History at Mannheim University. In 1999 he received Baden Württemberg’s Teaching Award. Since 2002 Sapper he has been editor-in-chief of the academic monthly »Osteuropa«. He lives in Berlin.