Home›Articles›The 1866 ethnic classification paper and its two argumentsArticleThe 1866 ethnic classification paper and its two argumentsArticlesConnectionsSourcesComments (0)Reader Challenges (0)ConnectionsArticle OnJohn Langdon Down, Healers Well-attested SourcesJohn Langdon Down (Wikipedia)Medicine: Observations on an Ethnic Classification of IdiotsQuote, Medicine: Observations on an Ethnic Classification of IdiotsDown used this reasoning to argue against a tendency he perceived in his day to regard different races as separate species.View the SourceMedicine Atlas Original Articlestier 1Comments (0)No comments yet. Be the first to share a thought.Sign in to join the discussion.Reader Challenges (0)No disputes yet. Spotted an error or a better source? Open the first one.Sign in to dispute this or suggest a correction.