Hollywood, California *P. H. EVANS, M.D. is on the staff of the Hollywood Presbyterian Hospital. He received the degrees of B.S. and M.D. from the University of Tennessee and served a residency at Los Angeles County General Hospital. He was a Flight Surgeon and Director Physiological Training Units during periods of military duty 1947 to 1949 and 1950 to 1952. Dr. Evans is Secretary-Treasurer of the medical staff for 1960 of Hollywood Presbyterian Hospital. He is the author of Aviation Physiology, a manual of instruction for Directorate of Flight Safety Research under contract With the University of Southern California, 1953. Dr. Evans' hobby is skiing, and he and his wife, Marie, are the parents of a son—Alexander. *CHARLES GEORGE HUTTER, M.D., an orthopedic surgeon, is Chief of Surgery at Hollywood Presbyterian Hospital and Consultant on Prosthetics to the Veterans Administration. He received the B.S. degree from Harvard College and his M.D. degree from Harvard University. Dr. Hutter was a Captain in the U.S. Army, attached to O.S.S. and several general hospitals during three years of military service. His special interests are skiing, hiking and photography. Dr. and Mrs. Hutter are the parents of two sons.