Lionel Ovesey

E. J. O’Brien

O'Brien worked for Stone and Webster Engineering Corporation.

Niels G. Thude

Niels Thude was a staff worker at Los Alamos during the Manhattan Project.

John S. Bird

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.