Woo was a perennial figure of the West coast martial arts scene dating back to the late 1930s .
In 2012 , tai chi master James Wing Woo published a really nice book about his career and method , titled SIFU .
tai chi master was a perennial figure of the West coast martial arts scene dating back to the late 1930s .
In 2012 , tai chi master James Wing Woo published a really nice book about his career and method , titled SIFU .