坂野义光，Yoshimitsu Banno studied at Toho under such directors as Hiromichi Horikawa, Mikio Naruse, Kengo Furusawa and Seiji Maruyama. By 1970 Toho was ready to promote him to full director, and the resulting project, Birth of the Japanese Islands (1970) played at Osaka's Expo 70, attracting record-breaking crowds.