National Museum of Nuclear Science & History
Daniel Mullane worked in Los Alamos from 1943 to 1945 as a technician. He helped develop a source holder for the uranium gun-type bomb before moving back to Detroit after the war.
H. W. Ross worked for the Tennessee Eastman Corporation at the Y-12 Plant.
L. A. Nutting worked for Clinton Laboratories at the X-10 Reactor.
James Pannell was a physicist at Los Alamos during the Manhattan Project.