John D. Rockefeller, Sr., - history's first billionaire and the patriarch of America's most famous dynasty - is an icon whose true nature has eluded three generations of historians. Titan is the first full-length biography based on unrestricted access to Rockefeller's exceptionally rich trove of papers. Born the son of a flamboyant, bigamous snake-oil salesman and a pious, straitlaced mother, Rockefeller rose from rustic origins to become the world's richest man by creating America's most powerful and feared monopoly, Standard Oil. Branded "the Octopus" by legions of muckrakers, the trust refined and marketed nearly 90 percent of the oil produced in America. Critics charged that his empire was built on unscrupulous tactics: grand-scale collusion with the railroads, predatory pricing, industrial espionage, and wholesale bribery of political officials. The titan spent more than thirty years dodging investigations until Teddy Roosevelt and his trustbusters embarked on a marathon crusade to bring Standard Oil to bay. While providing abundant new evidence of Rockefeller's misdeeds, Chernow discards the stereotype of the cold-blooded monster to sketch an unforgettably human portrait of a quirky eccentric original.