John I. Hunt

E. A. Prichard

E. A. Prichard worked for Clinton Laboratories at the X-10 Reactor.

S. P. Carpenter

Mark S. Fred

Mark Fred was a research assistant in the chemistry division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Jose L. Romero

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