Both Yang Shao-hou and Wu Chien-ch'uan were famous for their " small circle " martial expertise.
Tchoung Ta-tchen also studied with Hsiung Yang-ho who was one of the few disciples of Yang Shao-hou.
Yang Jianhou's sons Yang Chengfu and Yang Shao-hou were also famous teachers of t'ai chi ch'uan.
Tung also studied with Chengfu's older brother Yang Shao-hou ( 1862 1930 ) and was the founder of " Tung Tai Chi ".
"You can't make any money in stocks right now, " said Yang Shao-hsien, the Investment Trust Association's secretary-general.
In 1914 Xi Yui-seng established the Athletic Research Institute in Beijing and Invited Yang Shao-hou, Yang Chengfu and Wu Chien-ch'uan to teach.
Chen Pan-ling, who was a student of Yang Shao-hao and Wu Chien-chuan describes T'ai Chi form practice beginning with slow movement changing to fast and returning to slow movement.
Since Wu Ch'uan-yu had died while Wu Kung-i was an infant, he and his brother were taught as young men by Yang Shao-hou, who was technically a generation senior to their father.
He subsequently was invited by Yang Shao-hou, Yang Chengfu and Wu Chien-ch'�an to join them on the faculty of the Beijing Physical Education Research Institute where they taught t'ai chi to the public after 1914.
His modifications of the " square " forms he had learned from his father and the slightly different form he learned from Yang Shao-hou, distinguished by clear sectional instructions for each move in the form sequence, more compact " small circle " movements in the body and somewhat higher stances with the feet relatively closer together than in other styles of t'ai chi ch'uan.