G. Y. Swickard
Project StaffHanford, WA
Manhattan Project VeteranProject Worker/Staff
Morris R. Jeppson
Morris R. Jeppson served as a lieutenant in the 1st Ordnance Squadron. He also worked as a weapons test officer.
Mary Elizabeth Long (Barnes)
Mary Elizabeth Barnes was a radiochemist working in the Y-12 Plant in Oak Ridge, Tennessee from 1946 to 1952.