"To shed light on the dark beginnings of Islam" is the call of Karl-Heinz Ohlig, editor of the volume "Early Islam". Its authors claim to be able to trace the actual emergence of Islam through recourse to "contemporary sources". Daniel Birnstiel has read the book
The Dutch Arabist Hans Jansen has ventured to write a biography of the prophet Mohammed. His initially plausible criticism of the religious sources quickly turns into a sweeping condemnation, however, according to Islam expert Stefan Weidner