National Museum of Nuclear Science & History
H. F. Jacobsen worked for the Union Carbide & Carbon Corporation.
D. M. Smith worked for Clinton Laboratories at the X-10 Reactor.
William Yadasz was a staff worker at Los Alamos during the Manhattan Project.
Howard Braasch was a laborer at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Warren L. Coble served as a sergeant in the 393rd Bombardment Squadron. Coble was regularly assigned as a radio operator in the Up An’ Atom, but did not fly in that plane during the August 1945 bombing missions on Hiroshima and Nagasaki.