About Chae Myung-shin
Chae Myung-shin (Korean: 채명신; Hanja: 蔡命新; 27 November 1926 – 25 November 2013) was a South Korean army officer who commanded South Korean military forces in the Vietnam War. He was also the co-founder of the Korean Taekwondo Association. In 1944, at the age of 19, Chae was conscripted into the Imperial Japanese Army and participated in training. Chae was appointed as a teacher to Deokhae Elementary School in Yonggang, South Pyongan Province. Afterwards, he taught at Jinnampo Elementary School, but following the Soviet occupation of the northern part of Korean Peninsula, Chae met Kim Il Sung, North Korea's founder, at the opening.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.