Heiner Müller | Heiner Goebbels | Heiner Muller | Heiner Lauterbach | Heiner Geißler |
These have included such diverse contributors as the Egyptian literary scholar Nasr Hamid Abu Zaid, the German former diplomat and Muslim Murad Hofmann, the Islam theologian Halima Krausen, the conflict researcher Heiner Bielefeldt and the physicist Ernst Ulrich von Weizsäcker.