Biography of Tetsu Yamaguchi
	Born in Tokyo
1971	Start his career of Aikido in order to succeed the art of Aikido (his father : Aikido Master Seigo Yamaguchi Sensei ) in terms of techniques and traditional methodology. It was his own decision to begin Aikido and the activity suited him.
1990	Based on agreement with Seigo YAMAGUCHI Sensei, he started making recent records of Seigo Yamaguchi's Aikido in order to publish books and make videos.
1987-94	Continuous exploration of Aikido mainly at Zoshukan, Honbudojo, Ochanomizu and Nerima.
1994	He organized 70 years birth memorial seminar for Seigo Yamaguchi with support of some-shihans and other young people.
1992-95	He took many pictures and videos of Seigo Yamaguchi. The number of photos exceeded more than 5000.
24 January 1996	Seigo Yamaguchi left our real world.
3 May 1996	Memorial Demonstration. Tsurugaoka Hachiman-Shrine in KAMAKURA
1996-97	Memorial demonstrations were organized for Seigo Yamaguchi Sensei at different places such as Kamakura, University of Meiji, Nagoya University and Katsuta. He gave demonstrations of aikido.
December 1998	Homepage of Yamaguchi-Aikido and Yamaguchi Virtual Dojo was launched.
Other references	English and French speaking.