National Museum of Nuclear Science & History
Homer M. O’Callaghan served in the 1st Ordnance Squadron.
Paul D. Krause was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Watkinds worked at the 300 Area at Hanford during the Manhattan Project.
V. N. Hacker worked for the J.A. Jones Construction Company.
