National Museum of Nuclear Science & History
H. M. Nappen worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Nathalie Baumbach was an American chemist who worked on the Manhattan Project. Baumbach majored in chemistry at the University of California Los Alamos.
Beckwith worked in the United States Engineer District Office.
F. H. Holbrook worked for the United States Engineer District Office.
