National Museum of Nuclear Science & History
R. W. Addington worked for the J.A. Jones Construction Company.
Edgar Sengier (1879 – 1963) was the director of Union Miniere du Haut Katanga. After being warned by British scientists regarding the potential danger were the uranium ore to fall into the wrong hands, Sengier decided to transport half the uranium stockpile from the Congo to the United States in 1940.
Greening worked in the United States Engineer District Office.
Parsons worked in the 300 Area at Hanford during the Manhattan Project.
Duval Stoaks worked for the Tennessee Eastman Corporation at the Y-12 Plant.
