Contents

04 July 1947
Vol 106, Issue 2740

About The Cover

A. Newton Richards, who succeeded Frank B. Jewett as president of the National Academy of Science Washington, D. C., on July 1. Dr. Richards will continue his activities as vice-president in charge of Medical Affairs at the University of Pennsylvania, a post he has held since 1939. He has been professor of pharmacology at the University since 1910.