National Museum of Nuclear Science & History
F. A. Lehmann worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Leo Brewer (1919-2005) was an American chemist. Brewer finished his undergraduate degree at CalTech in 1940.
Anthony J. Okleshen worked in the shop at the University of Chicago’s Metallurgical Laboratory.
Gavin Hadden was an American civil engineer who served as special assistant to General Leslie R. Groves during the Manhattan Project.