National Museum of Nuclear Science & History
John Leahy worked for the United States Engineer District Office.
James F. Delehanty served in the 1395th Military Police Company, Aviation.
S. C. Barnett worked for the Union Carbide & Carbon Corporation.
Nathalie Goldowski was a metallurgist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”).
Louise Warner was a research assistant in the health division of the Chicago Met Lab during the Manhattan Project.
