National Museum of Nuclear Science & History
Sidney Williams was a janitor at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
Lorine G. Newman was a laboratory technician in the Health Division at the University of Chicago Met Lab.
C. S. Huffman worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Irene Balawender was a stenographer in the Instrument Section at the Metallurgical Laboratory in Chicago during the Manhattan Project.