National Museum of Nuclear Science & History
O'Brien worked for Stone and Webster Engineering Corporation.
Brady was at Los Alamos during the Manhattan Project.
Tom Scolman arrived in Los Alamos shortly after receiving his Ph.D. in physics from the University of Minnesota under renowned physicist Alfred Nier.
Dr. George Marshall Lyon was an American physician who assisted with radiation safety during the Manhattan Project.
Paul Hartsfield worked for Clinton Laboratories at the X-10 Reactor.
