What type of details about joseph a. walker -lrb- playwright -rrb-  can be gathered from the following bio?  Bio: joseph alexander walker -lrb- 24.02.1935 -- 25.01.2003 -rrb- was an american playwright and screenwriter , theater director , actor and professor . he is best known for writing `` the river niger '' , a three-act play that was originally produced off-broadway in 1972 by the negro ensemble company , before being transferred to broadway in 1973 and then adapted into a 1976 film of the same name starring james earl jones and cicely tyson . in 1974 , walker became the first african-american writer to win the tony award , being honored for `` the river niger '' . the playwright previously won an obie award during that play 's 1972-73 off-broadway run .
Answer:
- imagesize - caption - yearsactive - death date - spouse - birth date - name - image - birth place - occupation