National Museum of Nuclear Science & History
Robert Paulsen was a laboratory helper at the Chicago Met Lab.
Marian Pinckard was a lab technician in the Chemistry Division of the Chicago Met Lab during the Manhattan Project.
John M. Sprecher was a chemical engineer. During the Manhattan Project, he worked for DuPont in Wilmington, DE.
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.
