National Museum of Nuclear Science & History
R. J. McGonegle worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Francis Kratch worked for the United States Engineer District Office.
Homer M. O’Callaghan served in the 1st Ordnance Squadron.
Hill worked at the 100-D Area at Hanford during the Manhattan Project.
Sherman Winters was a janitor at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.