In 1946 a karate teacher named Lee Won-kuk rented the assembly room of a small religious hall in Seoul's Gyeonji-dong. He called his school Chung Do Kwan, the Blue Wave School.
Within a decade it was the largest martial arts school in Korea. Its black belts taught at the Military Academy, staffed an entire army division, and founded new kwans of their own. Then, in June 1959, a single newspaper statement expelled three of its most senior members, and the school split.
The men on both sides of that split went on to build modern Taekwondo, in Korea, in Vietnam and in the United States.
Who owned that hall, why the founding date is still disputed, and what is fact rather than legend: the full story is on Dojo and Ring.
Read the full article: Chung Do Kwan, the Blue Wave School Behind Taekwondo