Contributions by: Andreas Anter, Wolfram Drews, Thomas Ertl, Almut Höfert, Daniel G. König, Andrea Maurer, Jenny Rahel Oesterle, Jürgen Paul, Bernd Schneidmüller, Matthias Becher, Stephan Conermann, Linda Dohmen, Reinhard Emmerich Consultant editor: Uwe Baumann