Bernd Stiegler is a German philosopher and since 2007 professor of literature at Konstanz University. Between 1999 and 2007 he served as head of the science program at Suhrkamp publishing house. The focus of his research is the theory and history of media, especially photography, German and French literature of the 19th and 20th centuries and visual culture. He published widely within this fields of research, including the books Philology of the Eye. The photographic discovery of the World in the 19th Century (2001, in German) and History of Photographic Theory (2006, in German).