Tetsuhiko Asai was a prominent Japanese master of Shotokan karate of the Japan Karate Association (JKA), founder and Chief Instructor of the International Japan Martial Arts Karate Asai-ryu (IJKA), and founder of the Japan Karate Shoto Federation.

Gichin Funakoshi was the founder of Shotokan karate. He is known as a "father of modern karate". Following the teachings of Anko Itosu and Anko Asato, he was one of the Okinawan karate masters who introduced karate to the Japanese mainland in 1922, following its earlier introduction by his teacher Itosu. He taught karate at various Japanese universities and became honorary head of the Japan Karate Association upon its establishment in 1949. In addition to being a karate master, Funakoshi was an avid poet and philosopher. His son, Gigō Funakoshi, is widely credited with developing the foundation of the modern karate Shotokan style.