National Museum of Nuclear Science & History
J. E. Metzger worked for the Comstock-Bryant Electric Company.
Arnold E. Sleipnes served as a techical sergeant in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Top Secret.
Henry Linschitz worked in Project Alberta, which transported and assembled the Little Boy and Fat Man atomic bombs.
Melvin Bengston was a security guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.