Question: What is the birthdate of this Hong Kong and American actor, film director, martial artist, martial arts instructor, philosopher and founder of the martial art Jeet Kine Do, who Danny Chan Kwok-kwan resembled? 
Sentence (from "Ip Man 2"): He attempts to propagate his discipline of Wing Chun, but faces rivalry from other practitioners, including the local master of Hung Ga martial arts.
Relevant evidence: No