Peter Behnstedt, Dr. phil. (1973) in Romance philology, University of Tübingen, Dr. habil. (1997) in Arabic studies, University of Hamburg. He has published numerous works (dialect atlases, ethnographic texts, glossaries, monographs, articles) on Arabic dialects, in particular Egypt, Syria, Yemen and Morocco.
Manfred Woidich, Dr. phil (1969) in Semitic studies, University of Munich, Professor Emeritus of Arabic language at the University of Amsterdam, the Netherlands.