National Museum of Nuclear Science & History
Helen R. Hughes was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Goodman worked in the United States Engineer District Office.
John Marcy worked for the Kellex Corporation at the K-25 Plant.
Leo Wojtanowski worked in a shop at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
