GAO YISHENG (1866-1951) was a student of Cheng Tinghua and the creator of Gao-style Baguazhang. LIU FENGCAI (1908-1987), Gao's nephew, studied with him in Tianjin, China, and became the head of his own branch of the system. LIU SHUHANG (1947 -) began studying with his uncle Liu Fengcai at age fifteen. He is currently eighth Duan in the Chinese Wushu Association and Secretary of the Cheng School Gao Style Baguazhang Research Committee. He lives in Tianjin, China. VINCE BLACK has studied martial arts and Chinese medicine with numerous renowned masters, including Adriano Emperado, Hsu Hong-Chi, Li Ziming, Wang Shitong, and Li Guichang. A Doctor of Oriental Medicine for thirty years, he founded the North American Tang Shou Tao Association in 1990 to research, preserve, and teach traditional Chinese martial and healing arts. JOHN GROSCHWITZ is a certified instructor in the North American Tang Shou Tao Association, teaching Shen Long Xingyi and Gao-style Bagua. He received a BA in Chinese from the University of California, Berkeley, and an MA in East Asian Studies from Stanford University.