Graham McNeill is a British author known for his work in the science fiction and fantasy genres. He is particularly recognized for his contributions to the Warhammer 40,000 universe, where he has written several novels and short stories that expand on its rich lore and characters. His writing often features themes of conflict, heroism, and the complexities of morality. In addition to his work in the Warhammer franchise, McNeill has also written for other series and has experience in game design. His storytelling skills have earned him a dedicated fanbase, and he continues to be an influential figure in speculative fiction.