National Museum of Nuclear Science & History
Dr. Theron G. Finzel was a chemical engineer/chemist. He worked for DuPont, and was asked to help on the Manhattan Project.
Harris Harold Levee served in the Special Engineering Detachment at the Metallurgical Laboratory at the University of Chicago on the Manhattan Project.
Jas Nighbert worked for Clinton Laboratories at the X-10 Reactor.
William L. Littlejohn served in the 603rd Air Engineering Squadron.