National Museum of Nuclear Science & History
Robert Lee Walker was an American physicist. Walker was born in 1919 in Saint Louis. He received a B.
G. W. Toncray worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Chowning worked at the 200 East Area at Hanford during the Manhattan Project.
Joseph H. Cummins served in the 320th Troop Carrier Squadron.
