In 1942, Duk Sung Son, then a twenty-year-old Korean amateur boxer, began studying Tae Kwon Do. In due course, he achieved the black belt level of proficiency. He then began teaching novice policemen in Seoul. His success led to his appointment as the original and the chief instructor to the Republic of Korea (ROK) Army. During the Korean War, Mr. Son began teaching Tae Kwon Do to the U. S. Eighth Army. After the war, Mr. Son and his advanced students taught Tae Kwon Do in colleges and high schools throughout South Korea. In April 1963, Mr. Son came to the United States and commenced teaching Tae Kwon Do. He now instructs the cadets at the U.S. Military Academy at West Point, and he has his own school in New York City. Mr. Son also teaches Tae Kwon Do at Princeton, New York, Brown, and Fordham Universities as well as at State University of New York at Stony Brook and the YMCA at Hackensack, New Jersey. Mr. Son has frequently appeared on television. He has given Tae Kwon Do exhibitions at the United Nations, Veterans' Hospitals, the Job Corps, the N.Y. World's Fair, the N.Y. Coliseum, and at many schools, colleges, clubs, fraternal and charitable organizations. Mr. Son holds a ninth degree black belt and he is president of the Tae Han Tae Kwon Do Association.

Robert J. Clark, Ph.D., is an economist in the field of international investment. He is a graduate of Stanford, Harvard, and N.Y.U. Dr. Clark has been active in Tae Kwon Do for fifteen years and holds a 4th degree black belt. Alternating with Mr. Son, he teaches Karate at West Point, Princeton, Brown, Fordham, N. Y. U., Stony Brook, and Providence College as well as at IBM in Poughkeepsie.