Sunday, July 27, 2014

Jang, Yeong-Sil



Jang, Yeong-Sil (장영실) was a fifteenth century Korean scientist and astronomer during the Joseon Dynasty. Although Jang was born into the servant/slave class (Cheonmin), King Sejong's new policy of breaking class barriers during the Joseon Dynasty allowed Jang to be recruited into the national civil service and to work at the royal place. Jang's inventions, such as the rain gauge (called Cheokugye), water gauge, highlighted the technological advancements of the Joseon Dynasty.

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