Jang Yeong Sil(2016)

Jang Yeong Sil is a Korean historical drama that traces the life of a visionary inventor during the Joseon era. Born into the lower class as a nobi, Jang Yeong-Sil's exceptional talents catch the eye of King Sejong, who brings him to the royal palace and grants him the freedom to pursue his ambitions. There, Jang Yeong-Sil designs groundbreaking instruments and devices—from astronomical tools and iron printing presses to sophisticated water clocks—that transform Korean science and technology. The series chronicles his rise from servitude to become one of history's most celebrated innovators, exploring the tension between his humble origins and his revolutionary contributions to the kingdom.