National Museum of Nuclear Science & History
LeRoy Grigsby worked for the Roane-Anderson Company.
William (W.) Gregory Marley was a British physicist and photography expert, who was part of the British Mission to Los Alamos during the Manhattan Project.
Leo Brewer (1919-2005) was an American chemist. Brewer finished his undergraduate degree at CalTech in 1940.
Floyd Halein served in the 393rd Bombardment Squadron.