National Museum of Nuclear Science & History
N. B. Walsh worked for the United States Engineer District Office.
Clark Prather worked for the Kellex Corporation at the K-25 Plant.
Celia Szapka Klemski was working as a secretary for the State Department in Washington, DC when she was transferred to Manhattan to work on the Manhattan Project in 1942.
Donald “Don” Hornig (1920-2013) was an American chemist. Hornig was recruited to join the laboratory at Los Alamos in 1944, just one year after receiving his doctorate in physcial chemistry from Harvard University.
