National Museum of Nuclear Science & History
Guy Fisher worked for the J.A. Jones Construction Company.
John Riddle was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Merl L. Wellman served in the 1027th Air Material Squadron.
John Mihalkanin was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
W. H. McEachern worked for the Fercleve Corporation.
