Biography:Hwang In-shik (also Whang Ing-sik, born September 13, 1940) is one of the foremost Korean hapkido teachers today. A great popularizer of the art in Asia through his work in the Hong Kong based films of Bruce Lee, Jackie Chan and Angela Mao, he is known nevertheless as one of the top teachers of the art and was eventually awarded a 10th degree black belt, the highest rank possible in the art, by the World Hapkido Association.