John E. Garrett

Horace R. Hood

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.

Joseph G. Barrett

H. H. Grant

Roderick W. Spence

Roderick W. Spence was an American physical chemist who worked on the Manhattan Project at Los Alamos.