National Museum of Nuclear Science & History
L. J. Ritter worked for the Roane-Anderson Company.
William D. Crawford served in the 1027th Air Material Squadron.
Paul Olivas was a staff worker at Los Alamos during the Manhattan Project.
Russell R. Wolff served in the 390th Air Service Group.
H. O. Arnold worked for the Kellex Corporation at the K-25 Plant.
