Kiyoji Ōtsuji (大辻 清司, Ōtsuji Kiyoji; 1923–2001) was a Japanese photographer, photography theorist, and educator. He was active in the avant-garde art world in Japan after World War II, both creating his own experimental photographs, and taking widely circulated documentary photographs of other artists and art projects. He became an authority in Japanese photography, extensively publishing commentaries and educating future generations of photographers.
Source: “Kiyoji Ōtsuji”, English Wikipedia (CC BY-SA 4.0), excerpt