Jang Hyungwang

Jang Hyeongwang (장현광; 1554 – September 15, 1637) was a Korean Joseon Dynastys politician and educator, as well as a Neo-Confucian scholar. Scholars successor of Jeong gu and teacher of Heo Mok and Yun Hyu. His pen name was Yeoheon (여헌).