Walter P. Roach

Jose E. Ortiz

Jose Ortiz was a staff worker at Los Alamos during the Manhattan Project.

Leonard Krouldis

Leonard Krouldis was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

E. C. Bellamy

E. C. Bellamy worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Loren A. Fryberger