Marian Adolf is Professor of Media Culture at Zeppelin University. His research interest revolves around the interface of media and social change, communication and cultural theory. He has held appointments as Visiting Professor at Quest University and Alpen-Adria-University Klagenfurt, and currently serves as chair of the German Communication Association’s section for Media Sociology. Nico Stehr is Karl Mannheim Professor of Cultural Studies at Zeppelin University in Friedrichshafen Germany. He formerly held professorships at the University of Alberta, Edmonton, The University of British Columbia, Ludwig Maximilians University in Munich and was Paul F. Lazarsfeld Guest Professor at the University of Vienna. He has published widely on the topic of Knowledge and is one of the proponents of Knowledge Society, a term that has acquired widespread currency not only in academia.