Jeong In-ji

Jeong In-ji (정인지, December 28, 1396 – November 26, 1478) was a Korean Neo-Confucian scholar, historian who served as Vice Minister of Education or Deputy Chief Scholar (Head of Office for Special Advisors) during the reign of King Sejong the Great, Minister of Rites during the reign of King Munjong and Danjong , Left or Second State Councillor from 1453 to 1455 during the reign of King Danjong, and Chief State Councillor from 1455 to 1458 during the reign of King Sejo. He was nicknamed Hagyeokjae (학역재).

Letters of Jeong In-ji

Jeong In-ji
Portrait of Jeong In-ji
Korean name
Hangul	정인지
Hanja	鄭麟趾
Revised Romanization	Jeong Inji
McCune–Reischauer	Chŏng Inji
Pen name
Hangul	학역재
Hanja	學易齋
Revised Romanization	Hagyeokjae
McCune–Reischauer	Hagyŏkchae
Courtesy name
Hangul	백저
Hanja	伯雎
Revised Romanization	Baekjeo
McCune–Reischauer	Baekchŏ
gunho
Hangul	하동부웡운
Hanja	河東府院君
Revised Romanization	Hadong Buwongun

He is perhaps best known for having written the postscript of the Hunmin Jeongeum Haerye, the commentary on and explanation of the native alphabet Hangeul invented by King Sejong in 1443. He also contributed to the Goryeo-sa, the official history of Goryeo dynasty, and the Yongbi Eocheon-ga (용비어천가).

His second son, Jeong Hyeon-jo, was married to Princess Uisuk, the second daughter of King Sejo of Joseon.