Yoo YoungKuk
1940
1940
1949
1953
1955
1955
1956
1956
1956
1960
1960
1960
1961
1961
1961
1962
1962
1963
1970
1970
1970
1970
1970
1970
1970
1970
1970
1971
1971
1972
1972
1972
1973
1973
1973
1973
1973
1974
1974
1974
1974
1975
1975
1975
1975
1975
1976
1976
1977
1977
1977
1977
1978
1978
1979
1979
1979
1979
1979
1979
1979
1979
1979
1979
1979
1979
1979
1979