National Museum of Nuclear Science & History
Kenneth E. Berry served in the 1st Ordnance Squadron.
Robert Parks worked for the United States Engineer District Office.
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.
Chemist Orville Hill joined the Met Lab at the University of Chicago in May of 1942, three months after it was created.