National Museum of Nuclear Science & History
H. L. Russell worked for the United States Engineer District Office.
Nelen Supert was a stenographer at the Metallurgical Laboratory in Chicago during the Manhattan Project.
R. T. Bartnett worked for the Roane-Anderson Company.
Mary E. Parrish was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
