Rothstein 'transformed organized crime from a thuggish activity by hoodlums into a big business run like a corporation', and gained notoriety as the person who first realized that Prohibition was a business opportunity, a means to enormous wealth, who 'understood the truths of early 20th century capitalism (giving people what they want) and came to dominate them'. He was also a mentor of future crime bosses Lucky Luciano, Meyer Lansky, Frank Costello, Bugsy Siegel, and numerous others. Rothstein was widely reputed to have organized corruption in professional athletics, including conspiring to fix the 1919 World Series. Racketeer, businessman, bootlegger, crime bossĪrnold Rothstein (Janu– November 6, 1928), nicknamed ' The Brain', was an American racketeer, crime boss, businessman, and gambler who became a kingpin of the Jewish Mob in New York City. Big, The Fixer, The Man Uptown, The Big Bankroll