National Museum of Nuclear Science & History
R. W. McElwee worked for the Union Carbide & Carbon Corporation.
C. W. Gray worked for the Edenfield Electric Company.
Walter Treibel was a member of the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
W. Buford Winn worked for the Tennessee Eastman Corporation at the Y-12 Plant.