K. D. Gossum

N. B. Newcomb

N. B. Newcomb worked for the Kellex Corporation at the K-25 Plant.

R. B. Crum

Desiderio Vigil

Desiderio Vigil was a staff worker at Los Alamos during the Manhattan Project.

T. J. O’Donnell

T. J. O’Donnell was the Shop Chief at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.