National Museum of Nuclear Science & History
Ed Hall worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Joseph Levinger was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
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.
Noland Varley worked for the United States Engineer District Office.
