When did the author who wrote Grapes of Wrath die?
1968
1939
1939
1939
1939
1939
1939
1931
1956
1956
1939
1931
1956
1939
1931
1956
1962
1959
1939
1931
1956
1962
1959
1956
1939
1931
1962
1959
1932
1956
1939
1971
1931
1945
1962
1959
1956
1932
1971
1945
1962
1959
1939
1931
1956
1972
1963
1971
1945
1962
1932
1959
1947
1956
1939
1931
1972
1963
1971
1945
1962
1959
1947
1960
1932
1951
1956
1972
1963
1939
1971
1931
1973
1945
1962
August 2, 1959
1959
1964
1947
1960
1951
1956
August 11, 2012
1989
1932
1948
1961
1972
1963
1940
1971
1946
1973
1945
1962
1965
1959
1939
1939.
1964
August 2, 1956
1931
August 11, 1959
1947
1960
December 2, 1956
January 11, 2012
1951
1956
December 11, 1959
December 2, 1959
1989
1948
1961
1972
1963
1940
1971
August 15, 1959
1946
1973
1945
1962
1932
1965
1959
1950
1964
1947
1960
1953
1951
1956
1957
1939
1989
1931
1948
1961
1939.
1972
1970
1963
1944
1940
1949
1971
1946
1973
1978
1945
1962
1965
1959
1950
1964
1977
1947
1960
1932
1953
1951
1956
August 11, 2012
1957
1989
1948
1969
1961
August 2, 1956
1972
1970
1963
1944
1940
December 2, 1956
1949
1946
1931
August 11, 2010
August 2, 1962
1945
August 2, 1959
1939.
August 14, 2010
December 2, 1962
January 11, 2012
1932
1931
1927
1939.
August 15, 1962
August 2, 2013
1932
August 2, 1959
August 2, 1956
August 14, 2010
December 2, 1956
August 11, 2012
August 2, 1962
1931