Ikuhiro Kubota was born on June 19, 1943 in Kashihara, Nara, Japan. He is 8th Dan Aikido Aikikai and one of the biggest masters of the time in Japan. His main teacher and aikido-friend is Hiroshi Tada.
Hiroshi Tada was born on December 13th 1929 year and is the only living 9th Dan Aikido Aikikai holder. He entered Hombu Dojo in 1950 and doing aikido now for 67 years! He was just always there, he knows them all, and seen it all happened and changed with his own eyes.