Kammala jumla mai zuwa: William Hedgcock (Yuli 4, 1883 <unk> Satumba 29, 1947) ya kasance injiniyan sauti na Amurka. An zabi shi don Oscar don Mafi kyawun Tasiri na Musamman a fim din "The Invisible Man Returns" a
Kyautar Academy ta 13. Ya yi aiki a fina-finai sama da 90 a lokacin aikinsa.