National Museum of Nuclear Science & History
Col. Oliver Haywood was on General Leslie Groves‘ staff from May to December 1946. Haywood had a long military career after graduating from West Point in 1936 and receiving both a M.
Clifford Nilsson served in the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
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.