National Museum of Nuclear Science & History
Ed Helfenberger worked for the Roane-Anderson Company.
DeRenzis worked in the United States Engineer District.
F. G. Reichle worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Bunch worked at the Y-12 plant at Oak Ridge during the Manhattan Project.
Lemmon was a Technical Sergeant who worked at Hanford during the Manhattan Project.
