National Museum of Nuclear Science & History
H. L. Russell worked for the United States Engineer District Office.
Clyde R. McFarland served in the 1st Ordnance Squadron.
Daniel J. Keefe was a security guard 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.
