Frank Vaughan

Charles Loos

R.D. Richey

Fred R. Sexton

Fred Sexton worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Mary Frankel

Mary P. Frankel was one of the “human computers” at Los Alamos during the Manhattan Project. In the spring of 1943, Frankel and her husband, Stan, an American physicist who later became a computer scientist, arrived at Los Alamos.