National Museum of Nuclear Science & History
R. H. Eichorn worked for the Roane-Anderson Company.
Howard Chase worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Franklin MacGregor served as a second lieutenant in the 393rd Bombardment Squadron. He was regularly assigned to the B-29 Top Secret.
L. A. Darling worked at the 100-B Area at Hanford during the Manhattan Project.