in the field of medicine. He took over the campus of the Sacred Heart Women's College in Chuncheon in 1981, and established the Ilsong Education Foundation in January, 1982, serving as its first chairman of the board of the trustees. Hallym College, established in March of the same year, rapidly grew to become a university in 1989. After retiring from the chairmanship in 1989 and then serving as honorary chairman, Yoon founded Hallym Academy of Sciences in 1990, and served as chairman of its steering committee, devoting himself to fostering basic sciences. References Walking over the Fallen Leaves (1991, Chungwoo Publisher) A Foundation Stone(1997, Ilsong Memorial Foundation) The Way of a Hidden Giant (2001, Sohwa) A History of Hallym University: 25 Years (1982–2007) (2007, Hallym Univ) South Korean surgeons 1996 deaths 1921 births South Korean healthcare managers 20th-century South Korean physicians 20th-century surgeons