National Museum of Nuclear Science & History
H. L. Willey worked for the Edenfield Electric Company.
Helen R. Hughes was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Mary McCormick was a secretary at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
John G. Acker served in the 320th Troop Carrier Squadron.
