National Museum of Nuclear Science & History
Samuel Smith was a staff worker at Los Alamos during the Manhattan Project.
Dorothea lived in Chicago and was assigned to Dr. Robert Oppenheimer’s office in Los Alamos during the Manhattan Project.
Theodore Feinberg was a research assistant at the University of Chicago’s Metallurgical Laboratory during the Manhattan Project.
E. H. Gray worked for the Tennessee Eastman Corporation at the Y-12 Plant.
