National Museum of Nuclear Science & History
Irvin Mastin worked for the J.A. Jones Construction Company.
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.
L. E. Johnston worked for the United States Engineer District Office.
Hall worked in the United States Engineer District Office.
