Long River Tai Chi Circle is Wolfe Lowenthal’s school of Tai Chi Chuan, centered on the practice of Professor Cheng Man-ch’ing’s simplified 37-posture Yang-style form. The school’s training is built around three pillars: Form, Sensing Hands, and Sword. Wolfe Lowenthal is noted in the source material as a student of Cheng Man-ch’ing and the author of There Are No Secrets, Gateway to the Miraculous, and Like a Long River. Long River Tai Chi Circle has branches in the United States, Europe, and Colombia.