National Museum of Nuclear Science & History
August Balestri was a laboratory assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
M. P. Shelley worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Philip C. Leahy was a Second Lieutenant for the U.S. Army Corps of Engineers who began his work for the Manhattan Project at the Metallurgical Laboratory at the University of Chicago, Illinois.