When did the author who wrote Cosmos die?
1996
1990
1939
1990
1970
1990
1980
2001
1986
1939
1975
1987
1984
1970
1988
1990
1980
2001
1986
1975
1932
1998
1987
1984
1970
1939
1931
1993
1988
1999
1979
1908
1990
1991
1982
1985
1980
1983
1989
1968
1994
2001
1997
1986
1975
1998
1987
1984
1970
1996
1907
1993
1995
1988
1932
1999
1973
1979
1939
1931
1905
1990
1991
1982
1985
1980
1983
1989
2004
1968
1994
2001
1997
2002
1986
1908
1975
1998
1976
1987
1978
1984
1977
2003
1970
1996
2000
1993
1995
1988
1974
1992
1999
1973
1981
1979
1990
1907
1991
1982
1926
1932
1985
1980
1924
1983
1989
2004
2008
1968
1994
2001
1997
2002
1986
1939
1931
1967
1975
1998
1976
1987
1978
1984
1977
2003
1970
1908
1996
2000
1993
1995
1988
1974
2005
1992
1999
1973
1981
1979
1990
1991
1982
1985
1980
2006
1983
1921
1989
2004
2008
1971
1968
1994
2001
1927
1997
2002
1986
1967
1975
1972
1932
1998
1976
1987
1978
1984
1977
2003
1970
1939
1931
1996
2000
1995
1988
2005
1908
1907
1924
1912
1905
1915
1932
1939
1931
1921
1927
1908
1907
1926
1924
1932
1912
1922
1931
1905
1913
1915
1921