National Museum of Nuclear Science & History
Johnston worked at the 300 Area at Hanford during the Manhattan Project.
Addie Saunders was a laboratory assistant in the Chemistry Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Jose Salazar was a staff worker at Los Alamos during the Manhattan Project.
Gerald Landsman worked in the Instrument Section at the University of Chicago’s Metallurgical Laboratory during the Manhattan Project.
