National Museum of Nuclear Science & History
John Tempka (1923-2017) was an American engineer. Tempka was born in Boydsville, Ohio. He was studying at the University of Detroit when he was recruited to join the U.
Dr. Leslie T. McClinton was a research assistant at the University of Chicago Met Lab. After three months of working at the Met Lab, McClinton was transferred to Oak Ridge in 1943.
B. D. Manchester worked for the Roane-Anderson Company.