National Museum of Nuclear Science & History
Berenski worked in the United States Engineer District.
William J. Johnston served in the 1027th Air Material Squadron.
R. Petyko worked for the Roane-Anderson Company.
Marion R. Villarreal served in the 603rd Air Engineering Squadron.
Howard Lange was the Curator in the Chemistry Division at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
