National Museum of Nuclear Science & History
Secundino Roybal was a staff worker at Los Alamos during the Manhattan Project.
Donald E. Burris served in the 1st Ordnance Squadron.
D. R. Johnson worked for the Roane-Anderson Company.
Bill Hackney worked for the H. K. Ferguson Company.
Arnold Swanson served in the Army at Los Alamos during the Manhattan Project.
