George R. R. MartinGeorge R. R. Martin.

George Raymond Richard Martin (born George Raymond Martin, September 20, 1948), also known by the initials GRRM, is an American author, screenwriter, and television producer. Martin is best known as the author of the epic fantasy novel series A Song of Ice and Fire, which was adapted by HBO into the Primetime Emmy Award-winning television series Game of Thrones (2011 to 2019) and its prequel series House of the Dragon (2022-present). Martin also wrote a related series of novellas, Tales of Dunk and Egg, which have been adapted by HBO as A Knight of the Seven Kingdoms (2026-present).