National Museum of Nuclear Science & History
George Waskey worked for the Roane-Anderson Company.
Wayne Marshall was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
H. F. Gibbs worked for the A. S. Schulman Electric 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.