National Museum of Nuclear Science & History
Clark worked in the United States Engineer District Office.
William S. Johnston was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Howard Lange was the Curator in the Chemistry Division at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Allen A. Birkenkamp served in the 1st Ordnance Squadron.
