Yang Chengfu
Jiang Yukun (; 1913–1981) was a t'ai chi ch'uan master. He was a student of grandmaster Yang Chengfu (who is the grandson of creator of Yang-syle t'ai chi ch'uan, Yang Luchan). Although he studied different t'ai chi ch'uan styles like Chen, Wu, Sun and Li, his specialism was Yang-syle.