University Professor, MD; Professor h.c. of Ufa Eye Research Institute; Adjunct Professor of Clinical Ophthalmology, New York Presbyterian Hospital, Cornell University, USA; Professor of Ophthalmology, Dept. of Ophthalmology Univ. of Mannheim, Heidelberg, Germany. Former Chairman of Department of Ophthalmology University of Tuebingen, Germany. Author of 3 books on Retinal Detachment Surgery.