National Museum of Nuclear Science & History
Richard Apple was a research associate at the University of Chicago’s Metallurgical Laboratory during the Manhattan Project.
Lawrence J. Sweitzer served in the 1027th Air Material Squadron.
R. D. Sheahan worked for the United States Engineer District Office.
Ellsworth Risley was a staff worker at Los Alamos during the Manhattan Project.
Joseph Pellet was a staff worker at Los Alamos during the Manhattan Project.