National Museum of Nuclear Science & History
A. H. Caldwell worked for the G.G. Ray Company.
T. K. Rothermund worked for the J.A. Jones Construction Company.
Joe W. Howland was a medical officer in charge of special problems in the US Army, stationed in Oak Ridge, Tennessee and Rochester, New York during the Manhattan Project.
R. T. Arends worked for the Roane-Anderson Company.
