She showed early intellectual promise , and is reported to have taught herself to read and write before she was three years old .
Green was born February 28 , 1951 , the second of two daughters to Joan and Bob Jones of Havana , Illinois .
Joan showed early intellectual promise , and is reported to have taught herself to read and write before Joan was three years old .
Green was born February 28 , 1951 , the second of two daughters to Joan and Bob Jones of Havana , Illinois .