National Museum of Nuclear Science & History
William Feldman worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Marvin Davis was a part of the Military Police at Los Alamos. He was a mounted MP at the Trinity site before, during and after the famous test.
Lawrence B. Magnusson was a research associate at the Metallurgical Laboratory at the University of Chicago.
Spear worked at the 200 East Area at Hanford during the Manhattan Project.