Ji Do Kwan(지도관) - Chosun Yun Mu Kwan Kong Soo Do Club (조선연무관 공수도부, Chosun Yun Mu Kwan had been the original Japanese Kodokan Judo school in Korea for over 30 years previously) founded March 3, 1946 by Chun Sang Sup(전상섭), who had studied Shotokan karate with Gichin Funakoshi in Japan, and later called his art 'Kong Soo Do(공수도)'. He had a very close relationship with Yoon Byung-In, founder of YMCA Kwon Bop Club.
Ji Do Kwan (지도관) - Chosun Yun Mu Kwan Kong Soo Do Club (조선연무관 공수도부), founded by Chun Sang Sup on March 3, 1946, is a martial arts school that was originally the Japanese Kodokan Judo school in Korea for over 30 years.