What is song il-gook jang yeong-sil?

Song Il-gook is a popular South Korean actor who has appeared in numerous TV dramas and films. One of his most notable roles was playing the historical figure Jang Yeong-sil in the 2016 TV series "Jang Yeong-sil: The Greatest Scientist of Joseon".

Jang Yeong-sil was a 15th-century Korean scientist and inventor who is considered one of the greatest inventors in Korean history. He invented numerous technologies and devices, including the rain gauge and the world's first water-powered astronomical clock. He also worked as a military engineer and invented weapons and defenses for the army.

The TV series "Jang Yeong-sil" follows the life of the inventor, from his early days as a slave to his rise to fame as a court science advisor. The series was well-received by audiences and critics, and Song Il-gook's portrayal of Jang Yeong-sil was praised for its depth and authenticity.