National Museum of Nuclear Science & History
Harold H. Richardson served in the 1027th Air Material Squadron.
Langworthy worked in the 100 D Area at Hanford during the Manhattan Project.
Minnie M. Daniels was a laboratory technician and assistant in the Chemistry Division at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Clarkson worked in the United States Engineer District Office.
