National Museum of Nuclear Science & History
M. K. Walden worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Colleen Frahm Lockmiller was a lab technician in the Y-12 Plant at Oak Ridge, Tennessee from 1944 to 1947.
Joseph LaRocco was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
