Career
He was the 23rd Prime Minister of South of Korea. From 1951 to 1955, he served as an officer to South Korean Army. Following that, he worked for years as a professor of Seoul National University.
During his tenure as education minister, he established a reputation for toughness.
President Roh Tae-woo named him Acting Prime Minister on 24 May 1991. On 8 July 1991, he was appointed Prime Minister of South of Korea.
He was one of three candidates for the mayor of Seoul in 1995.
