0 Who wrote the novel "To Kill a Mockingbird"? J.D. Salinger Harper Lee Ernest Hemingway Mark Twain Play Now More questions Which U.S. president introduced the New Deal programs? Play Now Which mathematician introduced the concept of non-Euclidean geometry in the 19th century? Play Now Enter your email to see the answer! By subscribing to TriviaTalent you are agreeing to our Privacy Policy and Terms of Use. See Results