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Person1396 – 1478

Jeong In-ji

Jiphyeonjeon scholar who wrote the preface to the Hunminjeongeum haerye and led the compilation of the Goryeosa

A Jiphyeonjeon scholar under Sejong, he took part in many compilation projects. In 1446 he wrote the preface to the Hunminjeongeum haerye explaining why and how the script was made, co-wrote the Yongbi eocheonga and helped compile the Chiljeongsan calendar. Under Munjong he presented the 139-volume Goryeosa. He became a merit subject for helping Sejo to the throne and rose to Chief State Councillor.

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4 related events

  1. 1
    1420Jiphyeonjeon expandedparticipant

    Sejong turned the Hall of Worthies into a research institute whose scholars produced the Hunminjeongeum commentary and many other works.

  2. 2
    1432The Ganui Platform and Armillary Spheresrelated figure

    King Sejong built the observation platform Ganuidae at Gyeongbokgung and had the simplified armillary (ganui) and armillary sphere (honcheonui) made.

  3. 3
    1446Promulgation of Hunminjeongeumauthor

    King Sejong published Hunminjeongeum, a new script he created for ordinary people.

  4. 4
    1451Compilation of the Goryeosaauthor

    Under King Munjong, Jeong In-ji, Kim Jong-seo and others completed the Goryeosa, a history of Goryeo in annals-and-biographies form. The chronological Goryeosa jeoryo followed the next year.

People who appear alongside

  • Sejong the Great1397 – 1450

    Fourth king of Joseon, creator of Hangul, patron of science and of the northern frontier

  • Sin Suk-ju1417 – 1475

    Jiphyeonjeon scholar who helped create Hunminjeongeum, wrote the Haedong jegukgi after a mission to Japan, and became Chief State Councillor under Sejo

  • Seong Sam-mun1418 – 1456

    Hall of Worthies scholar executed for plotting to restore Danjong; one of the Six Martyred Ministers

  • Bak Paeng-nyeon1417 – 1456

    Jiphyeonjeon scholar executed as one of the Six Martyred Ministers for plotting with Seong Sam-mun to restore Danjong

  • Jang Yeong-sil

    Scientist of humble birth who built the self-striking water clock for Sejong and helped make astronomical instruments

  • Kim Jong-seo1383 – 1453

    General and chief minister who built the Six Garrisons on the Tumen; killed by Grand Prince Suyang in 1453

Themes this person appears in

  • Writing Korean HistoryAD 375 – 1931

    From the Seogi, Guksa and Sinjip to the Joseon sanggosa — history-writing as royal display, Confucian record, assertion of independence and nationalist scholarship

  • Printing and Documentary HeritageAD 751 – 2011

    From the Dharani Sutra to the May 18 archives — woodblock and metal-type printing, and the records inscribed on the Memory of the World

  • Science and Technology HeritageAD 633 – 1861

    From Cheomseongdae to the Daedong yeojido — instruments and maps that measured the sky, kept time, gauged rain and charted the land