Seon patriarchs

Seungsahn Haengwon (, August 1, 1927November 30, 2004), born Duk-In Lee, was a Korean Seon master of the Jogye Order and founder of the international Kwan Um School of Zen. He was the seventy-eighth Patriarch in his lineage. As one of the early Korean Zen masters to settle in the United States, he opened many temples and practice groups across the globe. He was known for his charismatic style and direct presentation of Zen, which was well tailored for the Western audience.

Kyong Ho Seonsa (; 1849–1912) was a famous Korean Sŏn master, and the 75th Patriarch of Korean Sŏn. His original name was Song Tonguk (); and his dharma name was Sŏng’u (). He is known as the reviver of modern Korean Sŏn Buddhism. Song Tonguk was born in southern Korea (Chŏnju, Chŏlla province), and entered the sangha at the age of nine in 1857. He ordained at Ch'ŏnggye monastery located at Uiwang, in Kyŏnggi province. The young monk studied under the tutelage of Kyehŏ–sŏnsa. When he was 14, in 1862, Kyehŏ–sŏnsa disrobed and sent Kyŏnghŏ–sŏnsa to Manhwa–sŏnsa for further study at Tonghak–sa. K

Kobong seonsanim (; 1890–1962), the 77th Patriarch in his teaching lineage, was a Korean Zen master.

Korean Buddhist monk (1876–1951)