Robert R. Clifton

Addie Saunders

Addie Saunders was a laboratory assistant in the Chemistry Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.

Paul Hageman

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.

William C. Pulver