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 “Bill” J. Knox was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Ruth Marshak was an American teacher and the wife of physicist Robert Marshak. Marshak was born in 1916.