Gozo Shioda (塩田 剛三, Shioda Gōzō, September 9, 1915 – July 17, 1994) was a Japanese master of aikido who founded the Yoshinkan style of aikido. He was one of aikido founder Morihei Ueshiba's most senior students. Shioda held the rank of 9th dan Aikikai and 10th dan of IMAF aikido.

https://en.wikipedia.org/wiki/Gozo_Shioda (accessed 23 March 2025).