Read the bio below and try to give details on yvonne thornton 's:    - residence     - caption     - citizenship     - fields     - ethnicity       - birth date     - name     - image size     - image     - birth place     - religion     - alma mater     Bio: yvonne s. thornton -lrb- born november 21 , 1947 -rrb- is an american obstetrician-gynecologist , musician and author , best known for her memoir , `` the ditchdigger 's daughters '' .
- residence is teaneck , new jersey , u.s.- caption is thornton -lrb- uploaded 2010 -rrb-- citizenship is american- fields is obstetrics and gynecology , maternal-fetal medicine- ethnicity is african american- birth date is 21 november 1947- name is yvonne s. thornton- image size is 200- image is dr. _ t_pose_b & w.jpg- birth place is new york city , u.s.- religion is christian- alma mater is monmouth columbia school of public health university columbia university college of physicians and surgeons