Han Cha-kyo

[2] Following a career in the South Korean military, he emigrated to the United States of America in 1971 with his wife and newborn daughter Nancy Han.

Han was born on 20 July 1934 in Seoul, Korea,[3][7] during the period of Japanese occupation.

He trained under three martial art masters: Nam Tae Hi, Duk Sung Son, and Woon Kyu Um.

[1][3] From 1950 to 1959, Han served as a martial art instructor in the Korean military forces.

[2] Han appears on Chang Keun Choi's list of taekwondo pioneers.