National Museum of Nuclear Science & History
J. E. Sampson worked for the United States Engineer District Office.
J. S. Staples worked for the Fercleve Corporation.
Bruno Yurgaites was a janitor at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
Ellen Skirmont was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
