William CC Chen
William C. C. Chen was born in Chekiang, China. He started teaching Tai Chi Chuan at the beginning of the 1950s while training as a live-in student of the famous Great-Grandmaster Cheng Man-Ching who preferred to be called Professor Cheng. Besides being the youngest of Professor Cheng's senior student, he was also a favorite disciple. In the 1950s he was involved competitively in the various free-style, Chinese Wushu. In 1958, he won second place in the Taiwan National Olympic Competition.
http://www.williamccchen.com

Erle Montaigue
Here you will find all you will ever need in the study of the Internal Martial/Healing systems of Tai Chi (Taijiquan) Bagua, (Baguazhang), Qigong (Ch'i Gung), Dim-Mak, realistic Self Defences, Healing, Weapons and much more.
http://www.taichiworld.com