Alexander P. de Seversky
（重定向自De Seversky）
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![Alexander de Seversky standing before the SEV-3XAR, autumn 1934](/Images/godic/202501/08/SEV-3_and_Seversky4021.jpg")
Alexander Nikolaievich Prokofiev de Seversky (Russian:Алекса́ндр Никола́евич Проко́фьев-Се́верский) (June 7, 1894 – August 24, 1974) was a Russian-American aviation pioneer, inventor, and influential advocate of strategic air power.