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*''Korean'': 蔣英實 ''(Jang Yeong-sil)''
Jang Yeong-sil was a Korean scholar credited with developing many of the most significant technological innovations of the early [[Joseon Dynasty]] period.
Jang was the son of a [[Mongol]] [[Yuan Dynasty]] official and an entertainer. He served for a time as a local official in Dongnae, before being selected by [[King Sejong]] to serve as an envoy to China. After observing technologies in China, Jang returned to Korea and played a notable role in inventing several types of water clocks and astronomical devices, as well as sundials, moveable type, and printing presses. Several of these inventions are today considered [[National Treasures of Korea]].
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==References==
*Gallery labels, The Story of King Sejong.[https://www.flickr.com/photos/toranosuke/35134665333/sizes/l]
[[Category:Scholars and Philosophers]]
[[Category:Muromachi Period]]