National Museum of Nuclear Science & History
McCabe worked for Stone and Webster Engineering Corporation.
Paul Petretzky worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Herbert D. Swasey served in the 603rd Air Engineering Squadron.
Henry P. Blake served in the 1st Ordnance Squadron.
George Koval was an American chemical engineer and one of the most important Soviet spies of the 20th century.