is Professor of History, Theory, and Ethics of Medicine and Science at the University of Lübeck in Germany where he is also Director of the Institute for History of Medicine and Science Studies. He was Associate Professor at McGill University with a joint appointment in the Department of Social Studies of Medicine and the Department of Art History and Communication Studies from 2004 to 2007. He worked at the Institute for Science Studies of the University of Bielefeld, the Max-Planck-Institute for the History of Science in Berlin, and directed a research group at the Faculty of Media, Bauhaus University Weimar. His current research deals with comparative aspects of the history of medicine in the 20th century, the history of brain research between media technologies and neuro-philosophy, and the epistemology of the unnoticeable in art and science.