National Museum of Nuclear Science & History
Henry Mouk was a staff worker at Los Alamos during the Manhattan Project.
Joyce M. Hopkins was a research assistant in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Hallie Perry was an electrician at Oak Ridge, Tennessee for the Watson-Flagg Engineering Company from 1943 to 1945.
Robert Paulsen was a laboratory helper at the Chicago Met Lab.