National Museum of Nuclear Science & History
Cecil B. Flournoy served in the 603rd Air Engineering Squadron.
Frei worked for Stone and Webster Engineering Corporation.
Grace Hulbert Wilson Groves is the wife of General Leslie R. Groves. The pair was married in 1922 and together they had two children, Richard and Gwen.
D. G. Hill worked for the Tennessee Eastman Corporation at the Y-12 Plant.