Robert W. Prunty

W. J. Lawrence Jr.

Tom J. Mulcahey

Tom Mulcahey was a staff worker at Los Alamos during the Manhattan Project.

Jack P. Mullins

Jack Mullins worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Donald Engelkemeior

Donald Engelkemeior was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.