National Museum of Nuclear Science & History
Daniel Mullane worked in Los Alamos from 1943 to 1945 as a technician. He helped develop a source holder for the uranium gun-type bomb before moving back to Detroit after the war.
Robley "Rob" Johnson arrived at Hanford on May 2, 1943, at the age of 35. He was one of the first repersentatives of the DuPont Company on the scene.
John H. Harrington, Jr. served as a sergeant in the 393rd Bombardment Squadron.
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.
