List of Famous people with last name Yeong-sil
Jang Yeong-sil
Jang Yeong-sil was a Korean engineer, scientist, and inventor during the Joseon Dynasty (1392–1897). Although Jang was born as a peasant, King Sejong allowed Jang to work at the royal palace. Jang's inventions, such as the Cheugugi and the water gauge, highlight the technological advancements of the Joseon Dynasty.
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