National Museum of Nuclear Science & History
C. E. Knox worked for the Roane-Anderson Company.
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.
John Riddle was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Smiley worked at the 200 West Area at Hanford during the Manhattan Project.