Jeong Dojeon, Korean prime minister (b. 1342)

Jeong Dojeon (Korean: 정도전, Hanja: 鄭道傳, 1342 – October 6, 1398), also known by his pen name Sambong (Korean: 삼봉), was a prominent Korean scholar-official during the late Goryeo to the early Joseon periods. He served as the first Chief State Councillor of Joseon, from 1392 until 1398 when he was killed by Yi Bang-won, the fifth son of Yi Seong-gye, the founder of the Joseon dynasty. Jeong Dojeon was an adviser to Yi Seong-gye 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.