- Research assistant Westfal Wilhelms University, Munster, Germany, 1975-1988. Professor Freie University, Berlin, since 1988. Professor University Trier, Germany, 1985, Justus-Liebig University, Giessen, Germany, 1986, Margherita von Brentano-Preis, 1996.
- Author: (with others) Collaboration in France: Politics and Culture during the Nazi Occupation 1940-1944, 1989, Politics, Gender and Genre: The Political Thought of Christine de Pizan, 1992, (with Dina De Rentiis) The City of Scholars. New Approaches to Christine de Pizan, 1994. Co-editor (yearbook) Querelles, since 1996.