Nicholas Cheong Jin-suk
South Korean Catholic cardinal (1931–2021)

Nicholas Cheong Jin-suk (Korean: 정진석; Hanja: 鄭鎭奭; 7 December 1931 – 27 April 2021) was a South Korean Cardinal of the Roman Catholic Church. He served as Archbishop of Seoul from 1998 until he retired in 2012. He was previously Bishop of Cheongju from 1970 to 1998. He was made a cardinal in 2006.
Biography
Cheong Jin-suk briefly studied chemical engineering at the Seoul National University before entering the seminary in Seoul, from where he later obtained his bachelor's degree in theology, in 1954. After studying sociology in Hong Kong, he was ordained to the priesthood by Archbishop Paul Roh Ki-nam on 18 March 1961 at the Myeongdong Cathedral in Seoul.
Cheong then did pastoral work in Seoul until becoming a professor at its minor seminary and notary of its archdiocesan curia in 1962. He was chancellor of the curia and undersecretary of the Catholic Conference from 1964 to 1965, and episcopal chancellor and vice-rector of the Minor Seminary from 1966 to 1967. He then earned a degree in canon law, studying at the Pontifical Urban University, from October 1968 to 1970.
On 25 June 1970, Cheong was appointed the second Bishop of Cheongju by Pope Paul VI. He was the youngest bishop in Korea at the time.
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