Chae Je-gong

Chae Jegong (12 May 1720 – 22 February 1799) was a noted scholar, writer, politician of the Joseon period of Korea. 
He passed the regional civil examination (향시) at the age of 15, and held high government offices throughout his life, the Yeonguijeong position (i.e. Chief State Councilor) among them.