Jang Yeong-sil
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| Parents | Jang Seong-hwi |
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| ID | 932530 |
About Jang Yeong-sil
Jang Yeong-sil was a Korean engineer, scientist and inventor during the Joseon dynasty. Although Jang was born as a peasant, King Sejong's new policy of breaking class barriers placed on the national civil service allowed Jang to work at the royal palace.
Jang Yeong-sil Photos
