National Museum of Nuclear Science & History
John L. Stiegman served in the First Ordnance Squadron.
T. L. Leahy worked for the United States Engineer District Office.
Philip G. Koontz was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Frederick worked at Los Alamos during the Manhattan Project.
Libby worked in the 200 W Area at Hanford during the Manhattan Project.