Heo Jun

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Heo Jun
Korean name
Hangul	허준
Hanja	許浚
Revised Romanization	Heo Jun
McCune–Reischauer	Hŏ Chun
Art name
Hangul	구암
Hanja	龜巖
Revised Romanization	Guam
McCune–Reischauer	Kuam
Courtesy name
Hangul	청원
Hanja	淸源
Revised Romanization	Cheongwon
McCune–Reischauer	Ch'ŏngwŏn

Heo Jun (Korean: 허준; 1539 – 9 October 1615) was a Korean physician. He was the royal chief physician of Naeuiwon during the reign of King Seonjo and King Gwanghae of the Joseon period in Korea.^[1]