National Museum of Nuclear Science & History
C. L. McCallum worked for the Tennessee Eastman Corporation at the Y-12 Plant.
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.
Rudolph Vergoth worked in the shop at the Chicago Met Lab during the Manhattan Project.
A. F. Tyra worked for the Union Carbide & Carbon Corporation.