George R.R. Martin is an American novelist and short-story writer in the fantasy, horror, and science fiction genres, a screenwriter, and television producer. He is known for his international bestselling series of epic fantasy novels, A Song of Ice and Fire, which was later adapted into the HBO dramatic series Game of Thrones (2011).
Martin serves as the series’ co-executive producer, and also scripted four episodes of the series. In 2005, Lev Grossman of Time called Martin “the American Tolkien”.