The prominent playwright born in 1947 known for provocative works that address race and class in contemporary society is Audre Lorde. Lorde's dramatic pieces, alongside her poetry and essays, explore intersections of identity and social justice. Her works challenge audiences to confront societal norms and injustices, emphasizing the importance of voice and representation. Lorde's contributions have solidified her legacy as a vital figure in both theater and civil rights activism.