National Museum of Nuclear Science & History
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.
Urban worked at the 200 West Area at Hanford during the Manhattan Project.
Elizabeth V. Davis worked at the Los Alamos National Laboratory. She worked in SP-4 of Norris Bradbury’s division purchasing nuclear supplies from 1947 to 1957.
Williams worked for Stone and Webster Engineering Corporation.