National Museum of Nuclear Science & History
J. J. Mitchell worked for the Fercleve Corporation.
N. F. Hanke worked for Clinton Laboratories at the X-10 Reactor.
Levey was a member of the Army Special Engineering Detachment who worked at the K-25 plant at Oak Ridge during the Manhattan Project.
Carl Helrich (1895-1971) was a civil engineer for the J.A. Construction Company from 1943 to 1945 and helped construct the Oak Ridge town site and plant area.
