At the twentieth century’s dawn, Rockefeller’s sanguinary maneuvering—including bribery, price-fixing, corporate espionage, and creating shell companies to conduct illegal activities—had won his Standard Oil Company control of 90 percent of US oil production and made him the richest man in world history with a net worth of over half a trillion in today’s dollars. Senator Robert Lafayette excoriated Rockefeller as “the greatest criminal of the age.”