National Museum of Nuclear Science & History
W. G. Chmielewski was a carpenter at the University of Chicago’s Metallurgical Laboratory (“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.
Desiderio Vigil was a staff worker at Los Alamos during the Manhattan Project.
