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.
R. F. Ridgeway worked for the Roane-Anderson Company.
Leo Zbanek worked for the United States Engineer District Office.
Petty worked in the 100 B and D Areas at Hanford during the Manhattan Project.
