National Museum of Nuclear Science & History
H. R. Muldoon worked for the Union Carbide & Carbon Corporation.
Jesus Royball was a staff worker at Los Alamos during the Manhattan Project.
MacDonald was a member of the Instrument Section at the University of Chicago’s Metallurgical Laboratory.
Gabriel worked at the 100-D Area at Hanford during the Manhattan Project.
R. L. Campbell worked for the Tennessee Eastman Corporation at the Y-12 Plant.
