BOOKS-by J.A. Rogers Joel Augustus Rogers (1880 -- 1966) was a Jamaican-American author, journalist, and historian who contributed to the history of Africa and the African diaspora, especially the history of African Americans in the United States. His research spanned the academic fields of history, sociology and anthropology. He challenged prevailing ideas about race, demonstrated the connections between civilizations, and traced African achievements. He was one of the greatest popularizers of African history in the 20th century.