National Museum of Nuclear Science & History
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.
Walker worked at the 100-D Area at Hanford during the Manhattan Project.
Emily Ninger was a staff worker at Los Alamos during the Manhattan Project.
Elizabeth Sands was a staff worker at Los Alamos during the Manhattan Project. She was married to physicist Matthew Sands.