National Museum of Nuclear Science & History
R. O. Mitchell worked for the Roane-Anderson Company.
J. A. Copeland worked for the Poe Piping & Heating Company.
Gray worked at the 300 Area at Hanford during the Manhattan Project.
Connie Johnson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Lee Krejci worked for the United States Engineer District Office.
