Tsuruzo Miyamoto was born on March 30, 1953, on the island of Kyushu, Japan. He is an 8 Dan and one of the most respected Hombu Shihans at the moment.
Hiroshi Isoyama was born in 1937. In June 1949 he joined the Iwama Dojo to learn Aikido under the Morihei Ueshiba. Training under O-Sensei continued for around 20 years of his life and is the main part of Hiroshi Isoyama’s knowledge about the martial arts philosophy which he still transmits to the world.