National Museum of Nuclear Science & History
Louis Oblich served in the Army at Los Alamos during the Manhattan Project.
Harold F. Seaman served in the 603rd Air Engineering Squadron.
A. B. Cardwell worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Joseph Hirschfelder was an American physicist. He held doctorates in physics and chemistry from Princeton University.
Homer M. O’Callaghan served in the 1st Ordnance Squadron.
