Inspired by Arnold Rothstein, this is, for ten points, what "small, flatnosed Jew", a character in The Great Gatsby who fixed the 1919 World Series?
He is first introduced to the narrator when the title character takes him to lunch at a restaurant near Blackwell's Island (**). The narrator says of this character that "it never occurred to me that one man could...play with the faith of fifty million people". Similarities to his real-life (*) counterpart are evident in his apparent involvement in the criminal underworld of the 1920s. He also possesses a set of cufflinks that are made of the "finest specimens of human molars."  Inspired by Arnold Rothstein, this is, for ten points, what "small, flatnosed Jew", a character in The Great Gatsby who fixed the 1919 World Series?
He is first introduced to the narrator when the title character takes him to lunch at a restaurant near Blackwell's Island (**).
Meyer Wolfsheim (Accept either underlined answer)