Jeong Inji was a Korean Neo-Confucian scholar, historian who served as Vice Minister of Education or Deputy Chief Scholar during the reign of King Sejong the Great, Minister of Rites during the reign of King Munjong and Danjong, Left or Second State Councillor or Vice Prime Minister from 1453 to 1455 during the reign of King Danjong and Chief State Councillor or Prime Minister from 1455 to 1458 during the reign of King Sejo.
Career
He was nicknamed Hakyeokjae (학역재). He is perhaps best known for having written the postscript of the Hunmin Jeongeum Haerye, the commentary on and explanation of the Hangul invented by King Sejong in 1443. He also contributed to the Goryeo-sa, the official history of of Korea, and the Yongbi Eocheon-ga (용비어천가).