National Museum of Nuclear Science & History
Frank Alvidnes was a staff worker at Los Alamos during the Manhattan Project.
Robert R. Williamson was a laboratory assistant and computer at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
Agnes Ryan was a staff worker at Los Alamos during the Manhattan Project.
R. W. McKee worked for the Tennessee Eastman Corporation at the Y-12 Plant.