holds the Vigevani Chair of European Studies at the Hebrew University, Jerusalem and is presently Director of the Franz Rosenzweig Research Centre for German-Jewish Literature and Cultural History. He has taught Cultural and Intellectual History in the Department of History at the Hebrew University since 1982 and has been visiting professor at many prominent universities around the world. He is the author of many books, among which Brothers and Strangers: The East European Jew in German and German-Jewish Consciousness, 1800-1923 (1982), The Nietzsche Legacy in Germany, 1890-1990 (1992), In Times of Crisis: Essays on European Culture, Germans and Jews (2001) and Scholem, Arendt, Klemperer: Intimate Chronicles in Turbulent Times (2001). His new book Beyond the Border: The German-Jewish Legacy Abroad was published in February 2007.