Kammala jumla mai zuwa: George Leverett (Fabrairu 10, 1883 <unk> Maris 20, 1968) ya kasance injiniyan sauti na Amurka. An zabi shi don Oscar don Mafi kyawun Tasirin Musamman a fim din "The Black Swan" a
Kyautar Kwalejin Kimiyya ta 15.