National Museum of Nuclear Science & History
Elvin Olsen was a staff worker at Los Alamos during the Manhattan Project.
H. Dunkelberger worked for the Roane-Anderson Company.
F. M. Livingston, Jr. worked for the Roane-Anderson 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.