National Museum of Nuclear Science & History
O. R. "Big" Simpson was a second lieutenant in military intelligence in charge of convoys carrying plutonium from Hanford to Fort Douglas, Utah.
Piper worked for Stone and Webster Engineering Corporation.
Dean Castimore was a Manhattan Project veteran and a fireman. During the war he was stationed at Los Alamos.
Theodore Feinberg was a research assistant at the University of Chicago’s Metallurgical Laboratory during the Manhattan Project.
