Chŏng Tojŏn

Chŏng Tojŏn, also known by his art name Sambong (삼봉), was a prominent Korean scholar-official during the late Goryeo to the early Joseon periods. Chŏng Tojŏn was an adviser to the Joseon founder Yi Sŏnggye and also the principal architect of the Joseon dynasty's policies, laying down the kingdom's ideological, institutional, and legal frameworks which would govern it for five centuries. He was killed by prince Yi Pangwŏn in 1398 over a conflict regarding the succession of Taejo.