National Museum of Nuclear Science & History
H. L. Smith worked for the Roane-Anderson Company.
John Lansdale (1912 – 2003) was a colonel in the US Army. Lansdale first learned of the Manhattan project from National Defense Research Committee Chairman James B.
Horace Hood set up equipment for the J.A. Jones Construction Company in Oak Ridge, Tennessee. He and his family lived in Kingsport, Tennessee while Hood commuted to Oak Ridge through a series of security checkpoints each day.
