Gerd Müller | Gerd Albrecht | Gerd Gigerenzer | Gerd Dudek | Rüdiger Stenzel | Rüdiger Grube | Gerd Kanter | Gerd Heidemann | Gerd Theissen | Gerd R. Puin | Gerd Muller | Gerd Heinrich | Gerd Binnig | Gerd B. Achenbach | Gerd Achgelis | Rüdiger von der Goltz | Rüdiger Safranski | Rüdiger Nehberg | Rüdiger Abramczik | Horst-Rüdiger Schlöske | Gerd Ruge | Gerd Puritz | Gerd Oswald | Gerd-Liv Valla | Gerd Leers | Gerd Kristiansen | Gerd Hurm | Gerd Bucerius | Gerd Arntz | Gerd |
He is the co-editor with Gerd Rudiger Puin of the book Die dunklen Anfänge. Neue Forschungen zur Entstehung und frühen Geschichte des Islam "The Hidden Origins of Islam: New Research Into Its Early History" (Hans Schiller Verlag, 2005/Prometheus Books 2008), which argues that Islam was not originally conceived as a distinct religion.