Olaf Ninnemann (1947– ), German mathematician and leading expert in the field of information and documentation, is especially interested in number theory. He played a key role in the establishment of the Zentralblatt für Mathematik and has been its executive editor since 1978. (M 40711) _ _.
Discovered on 9-9-1991 in Tautenburg by Schmadel, L. D., Borngen, F.