Founding members of "Karate-Do" association in 1937. (Front from right) Chojun Miyagi, Chomo Hanashiro, Kentsu Yabu, Chotoku Kyan (Back from right) Genwa Nakasone, Choshin Chibana, Choryo Maeshiro, Shinpan Shiroma
Studied kobudo (ancient weapons) under Shinken Taira (1902-1970), also studied karate under his older brother Tatsuo Shimabuku (1908-1975) and Choshin Chibana.