National Museum of Nuclear Science & History
J. E. Sampson worked for the United States Engineer District Office.
Eleanor Ewing Ehrlich (1918-2011) was an American mathematician. During the Manhattan Project, Ewing worked at Los Alamos and helped run the IBM calculating team.
R. D. Arthur worked for Clinton Laboratories at the X-10 Reactor.
W. B. Reynolds worked for the Tennessee Eastman Corporation at the Y-12 Plant.