National Museum of Nuclear Science & History
Rosalin Small was a staff worker at Los Alamos during the Manhattan Project.
R. H. Snyder worked for the Fercleve Corporation.
John W. Burr was a research assistant in the Metallurgical Laboratory (“Met Lab”) at the University of Chicago during the Manhattan Project.
H. R. Chapman worked for the H. K. Ferguson Company.
M. R. Nason worked for the Union Carbide & Carbon Corporation.