Los Angeles (CNN) -- Don Cornelius, the founder of the "Soul Train" television show, was found dead of an apparent self-inflicted gunshot wound to his head Wednesday, authorities said. He was 75. Cornelius died of a gunshot wound at a house on Mulholland Drive, said Los Angeles police Officer Tenesha Dodine. Police responded to the call about 4 a.m. (7 a.m. ET), Dodine said.