National Museum of Nuclear Science & History
Hollenbach worked at the 200 West Area at Hanford during the Manhattan Project.
Daniel Mullane worked in Los Alamos from 1943 to 1945 as a technician. He helped develop a source holder for the uranium gun-type bomb before moving back to Detroit after the war.
Elvin Olsen was a staff worker at Los Alamos during the Manhattan Project.
R. C. Chisom served in the 509th Headquarters and Base Services Squadron.
Malcolm E. Matthews served in the 1027th Air Material Squadron.