National Museum of Nuclear Science & History
E. J. Beever worked for the Union Carbide & Carbon Corporation.
S. H. Barrett worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Naomi Livesay French was an American mathematician. During the Manhattan Project, she worked at Los Alamos for a group in the theoretical division responsible for performing calculations in connection to the theory of implosion.
R. O. worked for Clinton Laboratories at the X-10 Reactor.