National Museum of Nuclear Science & History
Helen J. Arson was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
J. G. LeSieur, Jr. worked for the United States Engineer District Office.
Antonio Quintana was a staff worker at Los Alamos during the Manhattan Project.
Coughlin worked for 200 East Area at Hanford during the Manhattan Project.
