Wikipedia
Yeomgeo(in Hangul:염거, in Hanja:廉居, ?~844) was a Zen Buddhist monk during the late Silla. He stayed in Gajisan mountain to boost the school of Gajisan as the second great monk of the temple. North South States Period great monk, Doui disciplined him.
Most of time he stayed in Eoksungsa Temple, Seoraksan to encourage Zen Buddhism in Korea. Since Zen Buddhism at the moment was not widely accepted among Korean people, his discipline largely emphasized the inner mediation away from the pain came up with the difference from the residing pattern of Buddhism. In his later life, he conveyed his seat to Chejing.
The stupa holding Śarīra of Yeomgeo still stands in the site of Heungbeopsa temple in Wonju, which South Korean authorities registered to be no.104 National Treasure. Currently, the stupa resides in National Museum of Korea in Ichon, Seoul.