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.
Attended Resselaer Polytechnic Institute.
B. W. Hay worked for the Tennessee Eastman Corporation at the Y-12 Plant.
John Klein was a member of the Special Engineering Detachment. He worked at the Metallurgical Lab at the University of Chicago and at Los Alamos.
