National Museum of Nuclear Science & History
Edward Simon worked for the Roane-Anderson Company.
Matheny worked in the 100 F Area at Hanford during the Manhattan Project.
Estelle B. Lucas was a laboratory assistant in the Chemistry Division at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
L. M. Richards was President of the Atlantic Richfield Hanford Company, which took over chemical processing operations at Hanford in 1967.