Complex sentence: He also received a Golden Globe nomination for his screen adaptation of Irving Stone's novel The Agony and the Ecstacy (1965), as well as several peer awards from the Writer's Guild of America (WGA).
Split into simpler sentences: He also received a Golden Globe nomination for his screen adaptation of Irving Stone's novel The Agony and the Ecstacy (1965). Dunne received several peer awards from the Writer's Guild of America (WGA).