Affiliation

Philologist; author of a study of Abu ʿAmr's Kitab al-Jim

Biography

Professor of Islamic studies and Semitic languages at the University of Cologne. He studied Abu ʿAmr al-Shaybani's Kitab al-Jim (Munich 1968; Arabic translation by Hasan Muhammad al-Shammaʿ, 1980), edited its chapter of kaf (1969), and wrote Hochsprache und Dialekt im Arabischen (Wiesbaden 1974).