National Museum of Nuclear Science & History
V. J. McDonald worked for the Comstock-Bryant Electric Company.
Alfred Menzer worked for Clinton Laboratories at the X-10 Reactor.
Rene Prestwood was an American nuclear chemist. Prestwood was recruited for the Manhattan Project as a young chemist from the University of California-Berkeley.
John Black worked for the J.A. Jones Construction Company.
Black worked at Los Alamos during the Manhattan Project.