National Museum of Nuclear Science & History
Cofer worked in the United States Engineer District Office.
Marion C. Fowler, Jr. served as a sergeant in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Next Objective.
Edward Dail worked for the Roane-Anderson Company.
Helene Smith was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.