What is or was the individuals’ background? What contribution do the authors make for the study of Black and Africana philosophies?

Bob Marley and Fredrick Douglas annotated Bib

ANNOTATED BIBLIOGRAPHY OF A LEADING PHILOSOPHER.
What is or was the individuals’ background? What contribution do the authors make for the study of Black and Africana philosophies? Would you identify these individuals as philosophers? If so, why. If not, why not? Provide examples. Analyze an author’s view on a specific subject.

1st annotate bib- (Bob Marley)
2nd person to answer those questions is-Fredrick Douglas