National Museum of Nuclear Science & History
C. G. Jenkins worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Dr. Theron G. Finzel was a chemical engineer/chemist. He worked for DuPont, and was asked to help on the Manhattan Project.
Before the war, Reynolds worked closely with Ernest Lawrence planning and developing the cyclotrons at the University of California at Berkeley, as well as working in the radiation lab at there.
Thomas Farrell (1891 – 1967) was a major general in the US Army. Farrell was hand-picked by General Groves to serve as his deputy, or as the Deputy Commanding General of the Manhattan Project.