Liu Cixin is a Chinese computer engineer and science fiction writer. He is a nine-time winner of China's Galaxy Award and has also received the 2015 Hugo Award for his novel The Three-Body Problem as well as the 2017 Locus Award for Death's End. He is also a winner of the Chinese Nebula Award. In English translations of his works, his name is given as Cixin Liu. He is a member of China Science Writers Association and the vice president of Shanxi Writers Association. He is sometimes called "Da Liu" by his fellow science fiction writers in China.

Science fiction is a genre of speculative fiction, which typically deals with imaginative and futuristic concepts such as advanced science and technology, space exploration, time travel, parallel universes, and extraterrestrial life. It is related to fantasy, horror, and superhero fiction and contains many subgenres. Its exact definition has long been disputed among authors, critics, scholars, and readers.