Grand Master Choi Chang Keun Master Choi received Number 5 I.T.F. Recognition Plaque Instructor Choi Chang Keun receiving an Award from Gen. Choi in 1961 Shaking hands with Master Woo Jong Lim after winning 1st Korean Tae Kwon Do Oh Do Kwan Champion in Black Belt Division in 1962 Won First Korean Tae Kwon Do Championships in Sparring and Pattern in 1962 Won the First Korean Tae Soo Do [Tae Kwon Do, Karate] FullContact Heavy-Weight Championship in 3rd, 4th, 5th Degree Black Belt Division in 1963 Won the First Korean Tae Soo Do [Tae Kwon Do, Tang Soo Do, Kong Soo Do] Representative Full Contact Heavy-Weight Championship in 1963 Breaking roof tiles with fist in Malaysia 2nd I.T.F. World Tae Kwon Do Championships in Oklahoma, USA in 1978 Jumping Side Kick in Glasgow, Scotland Breaking a brick in Malaysia Breaking Demonstration in Europe Master Choi's 12 foot high Jumping Side Kick in Germany '74 United Kingdom Tae Kwon Do Magazine Cover Page in 2006 Master Choi with Gen. Choi Tae Kwon Do Demonstration Masters at the World Championships in Montreal, Canada 1974 Grand Master Choi received a Tae Kwon Do Hall of Fame Award in New York City with Grand Masters: Nam Tae Hi, Rhee Ki Ha, Cho Sang Min, Kong Yong Il, Kim Bok Man, Rhee Joon Ku and others [2007]