National Museum of Nuclear Science & History
Abel DeHaan was a civilian chemist that worked at the Y-12 Complex in Oak Ridge, TN. DeHaan was hired for the Manhattan Project by Glenn Seaborg while in his last year of a B.
Harvey Matthioson was a research assistant 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.