It is said that Yip Man ( 1893 - 1972 ) has taught some secret techniques to particular students .
Yip Man ( 1893 - 1972 ) is the man who is credited for teaching Wing Chun to masses and who was also Bruce Lee 's teacher .
It is said that Yip Man ( 1893 - 1972 ) , the man who is credited for teaching Wing Chun to masses and who was also Bruce Lee 's teacher , has taught some secret techniques to particular students .