From 1951 to 1955, Chung served as an officer in the South Korean Army.
During his tenure as education minister, he established a reputation for toughness.
[2] President Roh Tae-woo named him Acting Prime Minister on 24 May 1991.
[3] On 8 July 1991, he was appointed Prime Minister of South Korea.
[4] Chung died from kidney disease on 12 April 2020, aged 91.