Contents

28 November 1947
Vol 106, Issue 2761

About The Cover

The Executive Committee of the AAAS shown at a meeting in Washington, D. C., on November 1. Left to right: seated—Anton J. Carlson, Kirtley F. Mather, F. R. Moulton (administrative secretary of the Association), and Harlow Shapley; standing—Edmund W. Sinnott, George A. Baitsell, Fernandus Payne, Karl Lark-Horovitz (general secretary of the Association), Walter R. Miles, and E. C. Stakman. Members of the Committee not present were Drs. Conant, Compton, and Kettering.