National Museum of Nuclear Science & History
Rathburn Ray 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.
A.C. Tregillus was a procurement chief at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Galland worked at the 200 West Area at Hanford during the Manhattan Project.