National Museum of Nuclear Science & History
A. D. Levitt worked for the United States Engineer District Office.
Asa Swain worked in the shop at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Mary Tinsley was a laboratory techinician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
J. T. Calvert worked for the Union Carbide & Carbon Corporation.
P. B. Evans worked at the 200 West Area at Hanford during the Manhattan Project.
