National Museum of Nuclear Science & History
B. D. Ferguson worked for the Kellex Corporation at the K-25 Plant.
Jack Hefner joined the Manhattan Project at Oak Ridge in 1943. Hefner was a reactor engineer and helped supervise the construction of the X-10 Graphite Reactor.
Sherman Winters was a janitor at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
J. A. Copeland worked for the Poe Piping & Heating Company.
