National Museum of Nuclear Science & History
Alta Wilson worked for the Kellex Corporation at the K-25 Plant.
Carl Perrin worked for the Tennessee Eastman Corporation at the Y-12 Plant.
N. C. Parrish worked for the United States Engineer District Office.
Ayers worked at the 100 D Area at Hanford during the Manhattan Project.
Clarence Signaigo was a laboratory helper at the Metallurgical Laboratory in Chicago during the Manhattan Project.