is professor of Media History and Communication Theory at Ruhr University, Bochum. He was research assistant at the collaborate research centre »Literatur und Anthropologie« in Constance. His PhD thesis was concerned with data processing and mnemonic strategies in the Baroque period; his professorial dissertation was on the interdependency between media and anthropology and he has since focussed on the history of science, media theory and cultural techniques.
is professor of Aesthetics and Literary Media (Neugermanistik II) at Ruhr University Bochum. His research focus is on aesthetics, the theory of discourse and on cultural criticism. Apart from his research and teaching responsibilities, he works as a critic and essayist. He is a regular guest on radio programmes and publishes newspaper articles on the art sections of various newspapers, e.g. Frankfurter Rundschau, Neue Zürcher Zeitung.