National Museum of Nuclear Science & History
Copeland worked in the United States Engineer District Office.
Attended the Cooper Union for the Advancement of Science and Art.
Harold B. Nilling was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
John J. Lesniewski served as a private first class in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Enola Gay.