National Museum of Nuclear Science & History
Harry Sadler worked for the A. S. Schulman Electric 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.
John W. Calkin graduated from Columbia University in 1933. He then earned a Ph.D. in mathematics from Harvard.
