Question: What is the birthdate of this American writer and political activist who became an early leader of the Black Panther Party and for whom Maxwell Geismar wrote the introduction to his "Soul on Ice"?
Sentence (from "Judy Juanita"): The story of the female foot soldier in the black power movement, "Virgin Soul" exposes the unheralded women working behind-the-scenes in the BPP and the black student movement.
Relevant evidence: No