National Museum of Nuclear Science & History
A. W. Naylor worked for the Kellex Corporation at the K-25 Plant.
Joseph Hirschfelder was an American physicist. He held doctorates in physics and chemistry from Princeton University.
James Leslie Tuck was a British physicist and a member of the British Mission to Los Alamos during the Manhattan Project.
Johnson worked at the 100-F Area at Hanford during the Manhattan Project.