National Museum of Nuclear Science & History
Herschel Warren was a staff worker at Los Alamos during the Manhattan Project.
Leonard Krouldis was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Gerald Landsman worked in the Instrument Section at the University of Chicago’s Metallurgical Laboratory during the Manhattan Project.
Joe Conner worked for the Tennessee Eastman Corporation at the Y-12 Plant.
