National Museum of Nuclear Science & History
Ken Pumphrey joined the Manhattan Project at Los Alamos in 1946, where he worked as a security guard until 1948.
Hymer Friedell was the deputy medical director of the Manhattan Engineer District at Oak Ridge. He worked closely with Robert Stone and Stafford Warren in studying the effects of radiation on the human body.
E. B. Dutton 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.
