Louis P. Cowles

Clinton T. Kessell

Eleanor F. Caldwell

Eleanor Caldwell was a laboratory technician in the Health Division at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

E. Hilgeman

Hilgeman worked at the 100-D Area at Hanford during the Manhattan Project.

David J. Schauffler

David Schauffler was a staff worker at Los Alamos during the Manhattan Project.