National Museum of Nuclear Science & History
Paul R. O’Connor was a junior chemist at the University of Chicago Met Lab during the Manhattan Project.
Colleen Frahm Lockmiller was a lab technician in the Y-12 Plant at Oak Ridge, Tennessee from 1944 to 1947.
R. C. Hutcherson worked for the J.A. Jones Construction Company.
Mars worked for Stone and Webster Engineering Corporation.