Gregory Benford is an American science fiction author and astrophysicist who is professor emeritus at the department of physics and astronomy at the University of California, Irvine. Benford wrote the Galactic Center Saga science fiction novels, beginning with In the Ocean of Night (1977). The series postulates a galaxy in which sentient organic life is in constant warfare with sentient electromechanical life.

- Timescape 1980 novel science-fiction, time travel en