Before becoming an author, Jeanne Cavelos was an astrophysicist and mathematician, who taught astronomy at Michigan State University and Cornell University and worked in the Astronaut Training Division at NASA's Johnson Space Center. She decided to go into publishing and earned a MFA in creative writing. As senior editor of Bantam Doubleday Dell, she was the head of the science fiction/fantasy publishing program and created the Abyss imprint of psychological horror, for which she won the World Fantasy Award. In 1994, she decided to become a full-time author. She has written The Science of Star Wars, The Science of the X-Files, and The Passing of the Techno-Mages trilogy set in the Babylon 5 universe as well as short fiction, essays, and reviews. She also runs the full-service freelance company Jeanne Cavelos Editorial Services, which provides editing, ghostwriting, consulting, and critiquing services. She is the director of Odyssey, an annual summer workshop for fantasy, science fiction, and horror writers, and teaches writing and literature at Saint Anselm College.