National Museum of Nuclear Science & History
A. L. Davis worked for the J.A. Jones Construction Company.
Smith worked at the 200 West Area at Hanford during the Manhattan Project.
Homer W. Ibser was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
O. R. "Big" Simpson was a second lieutenant in military intelligence in charge of convoys carrying plutonium from Hanford to Fort Douglas, Utah.
