National Museum of Nuclear Science & History
Willis Throckmorton was a staff worker at Los Alamos during the Manhattan Project.
Donald Engelkemeior was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
William O. Shropshire served in the First Ordnance Squadron.
R. L. Campbell worked for the Tennessee Eastman Corporation at the Y-12 Plant.
