He retired from teaching martial arts in 1951 , but remained an active practitioner until his death .
In 1944 , Wan became Professor of Sports at Fujian Agriculture and Forestry University , which was to be his last teaching position .
Wan retired from teaching martial arts in 1951 , but remained an active practitioner until Wan 's death .
In 1944 , Wan became Professor of Sports at Fujian Agriculture and Forestry University , which was to be his last teaching position .