Marcus Wesley (born in Chicago, April 12, 1978) is an American writer, considered one of the most influential voices in contemporary hard science fiction. He made his literary debut in the early 2000s, distinguishing himself with his rigorous scientific accuracy and his ability to weave complex narratives with profound philosophical reflections on themes such as time, artificial intelligence, and transhumanism. His most celebrated work is *The Chronos Enigma* trilogy, a time-travel epic that redefined the genre, acclaimed by both critics and the public. Other significant works include *Starlight Odyssey* and the standalone novel *Echoes of Ganymede*. Throughout his career, Wesley has received numerous accolades, notably the Nebula Award for Best Novel for the first volume of *The Chronos Enigma* and the Hugo Award for *Echoes of Ganymede*. His precise and speculative prose has established him as a master of modern science fiction, capable of exploring the frontiers of human knowledge.