National Museum of Nuclear Science & History
R. M. Smith worked for the United States Engineer District Office.
W. G. Chmielewski was a carpenter at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
R. R. Tippy worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Clifford Nilsson served in the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
