Question: Name the British-born American investor, economist and professor widely known as the 'father of value investing' and co-author of the neoclassical investing: "Security Analysis" book which was the basis for an article by Warren Buffett published in the fall issue of 'Hermes' in 1984?
Sentence (from "The Superinvestors of Graham-and-Doddsville"): The speech and article challenged the idea that equity markets are efficient through a study of nine successful investment funds generating long-term returns above the market index.
Relevant evidence: No