Helen Gurley Brown was Cosmopolitan magazine’s editor-in-chief from 1965 until 1997, becoming an enormous influence on the evolution of women's issues during that period. She is also known fo
Helen Gurley Brown was Cosmopolitan magazine’s editor-in-chief from 1965 until 1997, becoming an enormous influence on the evolution of women's issues during that period. She is also known for her best-selling book Sex & The Single Girl.
