Arnold Rothstein (January 17, 1882 – November 6, 1928),[1] nicknamed "the Brain", was an American racketeer, crime boss, businessman, and gambler who became a kingpin of the Jewish mob in New York City. Rothstein was widely reputed to have organized corruption in professional athletics, including conspiring to fix the 1919 World Series. He was also a mentor of future crime bosses Lucky Luciano, Meyer Lansky, Frank Costello, and numerous others.