National Museum of Nuclear Science & History
Harris worked at the 300 Area at Hanford during the Manhattan Project.
Pettengill served in the 393rd Bombardment Squadron.
Frank Tartaglia was a staff worker at Los Alamos during the Manhattan Project.
Dean W. McKee served in the 1st Ordnance Squadron.
Halm worked at the 300 Area at Hanford during the Manhattan Project.