National Museum of Nuclear Science & History
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.
Robert Ball was a security guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Johnstone worked at the 300 Area at Hanford during the Manhattan Project.
R. J. Dunbar worked for the Tennessee Eastman Corporation at the Y-12 Plant.
