National Museum of Nuclear Science & History
H. G. Kercher worked for the J.A. Jones Construction Company.
Attended Case Western Reserve University.
Dr. Theron G. Finzel was a chemical engineer/chemist. He worked for DuPont, and was asked to help on the Manhattan Project.
Leslie Spalding worked for the United States Engineer District Office.
Martin was a staff member at Los Alamos during the Manhattan Project.