Please answer the following question: Facts: - caption: kopple may 2015 at the '' montclair film festival '' , - birth date: 30 july 1946 - name: barbara kopple - image: barbara kopple 2015.jpg - birth place: new york city , new york Based on these bullet points, write a short biography describing the life of barbara kopple .
A:
barbara kopple -lrb- born july 30 , 1946 -rrb- is an american film director known primarily for her documentary work .