National Museum of Nuclear Science & History
Douglas Morgan served in the Army at Los Alamos during the Manhattan Project.
Julius M. Simmons was an American chemist. He worked as a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Willingham worked at the 200 West Area at Hanford during the Manhattan Project.
E. H. Boon worked for the Tennessee Eastman Corporation at the Y-12 Plant.