No biography available for Feridun Çölgeçen.
1976
1975
1970
1975
1974
1974
1964
1976
1977
1967
1975
1966
1966
1965
1966
1964
1976
1973
1966
1934
1973
1967
1950
1965
1970
1974
1976
1966
1964
1967
1966
1974
1975
1973
1965
1955
1976
1968
1971
1974
1964
1933
1971
N/A
1969
1967
1966
1973
1976
1969
1964
1972
1972
1973
1966
1951
1967
1964
1970
1964
1971
1966
1970
1971
1968
1973
1975
1974
1965
1974
1970
1964
1967
1973
1975
1969
1971
1967
1971
1972
1964
1968
1968
1957
1971
1966
1971
1975
1977
1972
1972
1954
1975
1974
1964
1974
1971
1966
1972
1929
1955
1965
1967
1942
1954
1970
1964
1971
1964
1975
1967
1964
1973
1973
1975
1966
1964
1968
1966
1970
1975
1973
1965
1954
1975
1955
1955
1975
1964
1972
1951
1951
1964
1968
1955
1953
1953
1954
1965
1967
1974
1968
1965
1973
1969
1971
1952
1953
1976
1974
1950
1933
1974
1951
1951
1973
1953
1948
1964
1975
1941
1970
1952
1964
1946
1951
1970
1971
1940
1956
1972
1948
1954
1954
1974
1971
1952
1972
1956
1964
1967
1953
1953
1954
1950
1939
1954
1969
1953
1966
1973
1966
1973
1971
1950
1956
1971
1975
1975
1971
1968
1968
1968
1966
1964
1972
1969
1966
1974
1940
1953
1965
1966
1967
1972
1976
1952
1975
1968
1956
1968
1965