Winston Groom, the American novelist and author of “Forrest Gump,” has died.Karin Wilson, mayor of his hometown of Fairhope, Alabama, told CNN that Groom’s family shared the news of the death with her office.”I don’t have any details right now, but he did die (Wednesday) night,” Wilson said. “We are extremely sad to hear this. He is definitely an icon here.”Groom graduated from the University