1. MORTIMER G. ROSEN, M.D., is associate professor and director of research, department of obstetrics-gynecology, University of Rochester School of Medicine and Dentistry, Rochester, N.Y. He received his B.S. degree from the University of Wisconsin and his M.D. degree from New York University School of Medicine, New York City. Dr. Rosen has written many articles on neurologic function and development of the fetus and newborn.