George R. Thompson has an A.B. degree from Harvard College and a Ph.D. degree from Princeton University. In 1942 he was a Carnegie Research Fellow of the Johns Hopkins University in the history of Graeco-Roman science. From 1943 to 1946 he was an officer in the office of the Chief of Naval Communications. Since 1947 he has been a member of the historical office of the Signal Corps, and since 1952 its chief. Dixie R. Harris received an A.B. degree from Ohio State University in 1933. After studying law for four years, she was admitted to the bar of Ohio in 1938. From 1942 to 1944 she was employe...