Seishiro Endo was born on September 6, 1942, in the Saku city, Nagano prefecture. He is an 8 Dan Aikido Aikikai Shihan now and one of those who learned from the O-Sensei directly.
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.
Yoshiaki Yokota Shihan was born in 1958. He was a Captain of the Judo Club in a Junior High School at the age of 12. He soon found more interest in Karate and joined an Aikido club in a High School.