National Museum of Nuclear Science & History
Leslie Seward worked for the United States Engineer District Office.
John worked at Los Alamos during the Manhattan Project, as Enrico Fermi‘s bodyguard. He moved with his wife and daughter to Los Alamos in 1943.
Margaret H. Sanderson was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
George Ruhl worked for the Kellex Corporation at the K-25 Plant.
