National Museum of Nuclear Science & History
Earl Pond, Sr. worked for the J.A. Jones Construction Company.
Helen J. Arson was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
John Mendl was a member of the 1st Ordnance Squadron in the 509th Composite Group stationed on Tinian Island in the Pacific.
Mary M. Dailey was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
