National Museum of Nuclear Science & History
P. F. Grieger worked for the Tennessee Eastman Corporation at the Y-12 Plant.
William Jacob was a staff worker at Los Alamos during the Manhattan Project.
C. L. Klein worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Anton Kegl was a janitor at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
