I think Gregory Benford is an astrophysicist, as well. He's done fairly well. For myself, I tend to prefer fantasy, over SF. SF tends to have Big Ideas, and th

I think Gregory Benford is an astrophysicist, as well. He's done fairly well. For myself, I tend to prefer fantasy, over SF. SF tends to have Big Ideas, and the characters are there to help the Big Idea strut its stuff. In fantasy, the characters are usually the fulcrum of the story, and the world is built around their stories.