National Museum of Nuclear Science & History
Charles Tardiff worked for the Kellex Corporation at the K-25 Plant.
Halteman worked at the 100-D Area at Hanford during the Manhattan Project.
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.