National Museum of Nuclear Science & History
H. P. Graves worked in the United States Engineer District Office.
Litton worked at the 300 Area at Hanford during the Manhattan Project.
Joseph A. Gagnon served in the 320th Troop Carrier Squadron.
Mumford worked in the 200 East Area at Hanford during the Manhattan Project.
J. A. Copeland worked for the Poe Piping & Heating Company.
