National Museum of Nuclear Science & History
Grace Hardin worked for the J.A. Jones Construction Company.
J. J. DiLeonardo served in the 390th Air Service Group.
Herbert E. Lindemann served in the 509th Headquarters and Base Services Squadron.
Mann worked in the 200 West Area at Hanford during the Manhattan Project.
Darragh Nagle graduated from Columbia University and worked with Enrico Fermi and Herbert Anderson at the Chicago Pile during the early years of the Manhattan Project.
