National Museum of Nuclear Science & History
Hartman worked for Stone and Webster Engineering Corporation.
Richard Tolman (1881-1948) was an American physicist and chemist. Starting in 1940, Tolman served as Vice-Chairman of the National Defense Research Committee (NDRC) and was also the Chairman of the Armor and Ordnance Division of the NDRC.
Kerr worked for Stone and Webster Engineering Corporation.
Russell E. Gackenbach served as a 2nd Lieutenant in the 393rd Bombardment Squadron and in the 509th Composite Group.