National Museum of Nuclear Science & History
F. M. Tench worked for the Tennessee Eastman Corporation at the Y-12 Plant.
H. Courtney worked for the Rock City Construction Company.
Roy Phillippi worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Otto Hillig was a Danish machinist who helped work on various projects in the early days of the Manhattan Project.
Marion Mandel was a laboratory technician in the Health Division at the University of Chicago Met Lab.