National Museum of Nuclear Science & History
G. E. McAllister worked for the United States Engineer District Office.
Sara B. Chettkow was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Copeland worked in the United States Engineer District Office.
N. B. Newcomb worked for the Kellex Corporation at the K-25 Plant.
L. O. Bonham worked for the Tennessee Eastman Corporation at the Y-12 Plant.
