National Museum of Nuclear Science & History
Ralph Nelson was a staff worker at Los Alamos during the Manhattan Project.
Helen Atchley worked at the Y-12 Plant during the Manhattan Project. She and her best friend, Dorothy Stinnett, are both pictured in Ed Westcott’s famous photograph of people going to work in the Y-12 Plant.
D. W. Harrigan worked for the Union Carbide & Carbon Corporation.
