Sadanoyama Shinmatsu, Japanese sumo wrestler (b.1938)
Sadanoyama Shinmatsu (Japanese: 佐田の山 晋松, born Shinmatsu Sasada (佐々田 晋松), February 18, 1938 – April 27, 2017) was a Japanese professional sumo wrestler from Nagasaki Prefecture. He was the sport's 50th yokozuna. After his retirement he was the head coach of Dewanoumi stable and served as head of the Japan Sumo Association.