Here is an excerpt from a 1994 Hsing-I Journal interview with Henry Look, a student of Han Xingyuan and Yu Pung Shi, who were students of Wang Xiangzhai, and Kuo Lien Ying, a grandstudent of Yang Ban Hou and Guo Yun Shen (teacher of Wang Xiangzhai) and a student of Cheng Ting Hua. Whoa.