Prof. Dr. med. Anton Oberniedermayr, München, 1967

Prof. Dr. med. Dr. h. c. Fritz Rehbein, Bremen, 1988

Prof. Dr. med. Dr. h. c. Fritz Meißner, Leipzig, 1990

Prof. Dr. med. Waldemar Ch. Hecker, München, 2004

Prof. Dr. med. Hermann-Josef Pompino, Siegen, 2009