National Museum of Nuclear Science & History
Leonard Quartararo was a staff worker at Los Alamos during the Manhattan Project.
Samuel Allan Kline was a student majoring in physics at the University of Chicago before going to Los Alamos to work as a physicist.
Johnson worked for Stone and Webster Engineering Corporation.
John Morton worked for the Roane-Anderson Company.
Robert Stone was a research associate at the Metallurgical Laboratory in Chicago during the Manhattan Project.