Hirokazu Kobayashi (February 14, 1929 – August 28, 1998) was an Aikido teacher with a rank of 8 Dan. He created the Kobayashi Aikido style that is still practiced around the world.
Masatomi Ikeda was born in Tokyo, Japan on April 8, 1940. He is a Japanese Aikido teacher with a rank of 7th Dan Aikikai and a status of Shihan. Through the course of life, he also achieved the 4th Dan in Judo and had success in Sumo.