Yun Byung In is one of the more interesting Kwan founders to research in that he had multiple sources for his martial art. Unfortunately he disappeared from viewpoint of the south during the Korean war (1950-53), but Gm Kim Soo found out he had made a life for himself in North Korea, unable to return to the South after the country was divided up in 1953 in a truce.
Yun Byung In not only made his mark in his own school, he worked as an instructor in the Yeon Mu Kwan Kong Su Do Bu together with Chun Sang Sup (who also disappeared during the Korean war) and while his exact school did not survive the war, he did in a way father two prominent Kwan or schools through his senior students; Chang Mu Kwan and Kang Duk Won. These two schools shared a lot of material both being from the same "ryupa"; Yun Byung In, but they did have their own Kwan Heon, creed or philosophy. In this post I want to look specifically on the Kang Duk Won one, and I guess it is only natural to go to Chang Mu Kwan in the next part.





