About Gogen Yamaguchi
Jitsumi Gōgen Yamaguchi, also known as Gōgen Yamaguchi, was a Japanese martial artist and student of Gōjū-ryū Karate under Chōjun Miyagi. He was one of the most well-known karate-dō masters from Japan and he founded the International Karate-dō Gōjū Kai Association.
Biography source:
Wikipedia
