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.
Richard Stephens worked for the United States Engineer District Office.
Michael Rimek was a laborer at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Williamson worked at the 300 Area at Hanford during the Manhattan Project.
