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.
B. Roswell Russell worked at the Metallurgical Laboratory in Chicago during the Manhattan Project. He was one of seventy signers of the Szilard Petition.
Marjorie Richmond was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
J. E. Miller worked for the Edenfield Electric Company.