National Museum of Nuclear Science & History
Charles Hobson worked for the United States Engineer District Office.
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.
Ebbett worked for Stone and Webster Engineering Corporation.
