National Museum of Nuclear Science & History
Ruth H. Anderson was a staff member at Los Alamos during the Manhattan Project. Her husband, Ralph Larsen, worked at Los Alamos as a machinist.
William S. Johnston was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
J. A. Duane Muncy was a staff worker at Los Alamos during the Manhattan Project. He was married to fellow project worker Bernice I.
