National Museum of Nuclear Science & History
D. R. Johnson worked for the Roane-Anderson Company.
Geoghegan worked at the 300 Area at Hanford during the Manhattan Project.
F. B. Nevels worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Julius M. Simmons was an American chemist. He worked as a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
