National Museum of Nuclear Science & History
Joseph F. Zimmerman served in the 320th Troop Carrier Squadron.
Robert van Gemert worked in procurement and supply for Los Alamos during the Manhattan Project. He was also involved in organizing preparations for the Trinity Test.
Robert Ellingson arrived in Oak Ridge in June 1943. Shortly after Ellingson arrived, however, he was informed by his employer, Tennessee Eastman, that they already had too many chemists and chemical engineers.