Susan G. Hammond, the executive director of the first national organization to support women’s art, has made “Our history is our future” her mantra. It’s for good reason.  A long line of dedicated women artists, given unswervingly to the mission of “fostering and promoting awareness of, and interest in, visual art by women in the United States,” have enabled members like Faith Ringgold, Judy Chicago and legions of others to find their way.