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 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. he was nicknamed hagyeokjae (학역재).