National Museum of Nuclear Science & History
Andrew Welch was a janitor at the Chicago Met Lab during the Manhattan Project.
Arvid T. Nesseth served in the 1027th Air Material Squadron.
Edward M. Josefiak 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 Some Punkins.
Blum worked in the United States Engineer District Office.
