National Museum of Nuclear Science & History
S. N. Smith worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Al Threadgill worked for the Tennessee Eastman Corporation at the Y-12 Plant.
O. R. "Big" Simpson was a second lieutenant in military intelligence in charge of convoys carrying plutonium from Hanford to Fort Douglas, Utah.
Greening worked in the United States Engineer District Office.
Beverly W. Lewis was a chemist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
