Q:Read the bio below and try to give details on uisun 's:    - img     - hangul     - mr     - rr       - hanja     Bio: cho-ui seonsa -lrb- 1786-1866 -rrb- is often called `` the saint of korean tea '' or the `` father of korean tea '' . he was a korean buddhist seon -lrb- zen -rrb- master who in the first half of the 19th century introduced the way of tea -lrb- tea ceremony -rrb- and the practices of buddhism to many aristocratic scholars who were dissatisfied with the rigid neo-confucianism of the joseon era . he was himself noted as a calligrapher and artist , as well as a poet , and he formed deep friendships with other famous figures of his time , especially jeong yak-yong and kim jeong-hui .
A:
- img is choui.jpg- hangul is 초의- mr is ch ` o-ǔ- rr is cho-ui- hanja is 艸衣