This is from my first video released around 1991 or about 15 years ago. So I was about 38 years old at that time.
I have lot of information on my web site. You should visit it if you are interested in my theory. This myspace profile merely serves as an portal to my web site which will contain all the information.
SU Dong-Chen's Personal History
1953 Born Taipei, Taiwan, Republic of China.
1968 Entered Master Hong Yi Xiang’s Tang Shou Tao Martial Arts Academy.
1969 2nd place, First Taipei Chinese Martial Arts Open Tournament.
    4th place, Northern Seven Prefecture Chinese Martial Arts Open Tournament
1970 1st place, Second Taipei Chinese Martial Arts Open Tournament.
1971 2nd place, First Taiwan Chinese Martial Arts Open Tournament.
1973 1st place, President Chang Kai-Shek Cup Invitational Chinese
     Martial Arts Open Tournament.
1975 Visited Mr. Oyama Masutatsu, founder of Kyokushinkai Karate.
    Published, “Chinese Monkey Style Martial Artsâ€.
1976 Research trip to Okinawa, Met Mr. Miyazato Eichi of Okinawa Goju
    Ryu Karate, Jyundokan.
1978 Published, “Hidden Methods of Chinese Martial Artsâ€.
1979 Met Mr. Nakamura Taizaburo of Ba-Tou Ryu .
1981 Performed at Paris Festival (Tokyo) with Mr. Kisshomaru Ueshiba and
    Mr.Ozawa Kisaburo of Aikido along with Mr. Otofuji Ichizo of Jo-Do
    Kumite with Shotokan Karate 5th-Dan practitioners in Tokyo Imperial Hotel.
    Master Kao Shing Fang, Tsai Family Martial Arts, visited Japan from Taiwan.
1985 Visited Master Ho Fu-Sheng and Mr. Ma Shieng-Ta through Japan-China
    Martial Arts Exchange Program
1986 Summoned by Master Chang Dongshen in Taiwan, (Master of Cha Fist, Xing Yi Quan,     Bagua Zhang, Taiji Quan, and Shuai Jiao)
    Established Japan Kumite Association
    Became official disciple of Master Ho Fu-Sheng in Japan, studied Bagua, Taiji
    Learned Xin Yi Lui He Quan, Pang Keng, and weapons with Master Xu Wenzhong
    Visited Master Ozawa Takashi, 9th-Dan Kendo
    Visited Mr. Chen Xiao Wang, 19th generation Chen-style Taiji Quan
1992 Production of video: Internal Martial Arts, available in Japan.
1994 Report in Arts & Combat magazine, (French publication)
    Martial Arts seminars in France and Israel
1995 Production of video: Essence of Change, available in France
    Visited with founder of Krav Maga, Master Imi Lichtenfield
1997 Only non-Japanese fighter to appear in “Kenka no Tetsujin†(Iron Men of Fighting),     available in Japan
1998 Publication of videos: Essence of Fighting, Essence of Attacking, Essence of Throwing,     available in Japan.
1999 Publication of videos: Essence of Fighting, Essence of Attacking, Essence of Throwing,
    English version, available in U.S.A.
    Organized “Martial Arts & Exercise - Essence Of Evolutionâ€
2000 The Lives of “Tatsujinretten - Fighting Experts†Available in Japan
2002 Production of videos: Essence of Defense “Crossing Method†(Japanese),
    Essence of Throwing “Crossed Method†(Japanese).
2003 Production of videos: Evolution of Internal Martial Arts (Japanese).
    Process of Training Method (Japanese).
2004 Production of video: Taiji Quan strategy (Japanese). Moved to Los Angeles.
2005 Seminars performed in Los Angeles and Miami.
    Began Japanese-language website:
www.essenceofevolution.com.
2006 Returned to Tokyo, Japan.
    Began English website: www.essenceofevolution.com.
2007 myspace.com/essenceofevolution :-)