Question: Who's ideas besides the American sociologist and Pan-Africanist author were debated in 1881-1882?
Sentence (from "W. E. B. Du Bois"): William Edward Burghardt "W. E. B." Du Bois ( ; February 23, 1868 – August 27, 1963) was an American sociologist, historian, civil rights activist, Pan-Africanist, author, writer and editor.
Relevant evidence: Yes