Masatoshi Nakayama

was an internationally famous Japanese master of Shotokan karate. He helped establish the Japan Karate Association (JKA) in 1949, and wrote many textbooks on karate, which served to popularize his martial art. in the Yamaguchi prefecture of Japan. Nakayama's father was Naomichi Nakayama, an army physician and a judoka (practitioner of judo). Nakayama returned to Japan in May 1946, after the war. Together with other senior instructors, he formed the JKA instructor trainee program. This dojo is located in Ebisu, Tokyo, a short distance from where the JKA honbu (headquarters) dojo was located. He was promoted to 9th dan in the 1980s,

Legacy Nakayama wrote many books on karate, including the 11-volume Best Karate series. He also had many video productions credited to him. Nakayama's books include: Practical Karate: A guide to everyman's self-defense (1963, co-authored), Practical Karate: Defense against an unarmed assailant (1963, co-authored), Best Karate: Comprehensive (1977), and Dynamic Karate (1986). Martial arts scholar Donn Draeger was one of Nakayama's well-known co-authors.

After Nakayama's death in 1987, the JKA divided into two factions, which subsequently led to a further splintering within the organization. or April 15,