National Museum of Nuclear Science & History
Paul J. Esterline was an engineer. He attended Ohio State University for two years, and then attended the Chicago Technical Institute in the late 1920s, learned engineering drafting there.
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.
H. P. Graves worked in the United States Engineer District Office.
Billy Moore served in the 1395th Military Police Company, Aviation.