National Museum of Nuclear Science & History
Don Simpson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
James H. Coon was an American physicist. He worked on the Manhattan Project at the University of Chicago’s Metallurgical Laboratory and at Los Alamos.
Brooksbank worked in the United States Engineer District Office.
Ernest E. Wollan was a research associate at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.