[6] His works failed to gain enough attention before his death, which was later revalued as the icon of people's arts in the 1980s[7] since the decade referred to the transition to the democracy in South Korea.
[8] In 2010, complete collection of O yoon was published by collaborative works and well-known poet Kim Chi-Ha also joined the project.
[9] Although he was a famed printmaker, his career actually started from a sculptor, while he didn't limit his ambition concentrating not only on printworks but also on modernized masks or illustrations.
The most popular image of gut is sword dance, which led his works to convey the motion of the traditional exorcism ceremony.
[11] The titles of his works showed his style who paid attention to the lives of common people: e.g. ⟨Dawn of Labour⟩(노동의 새벽), ⟨The land⟩(대지), ⟨The song of sword⟩(칼노래) and ⟨The lemures⟩(원귀도).