"Interplanetary Man?" by Olaf Stapledon is a speculative and philosophical work by a beloved science fiction writer. In this text, Stapledon theorizes the idea of humans colonizing other planets. He takes a methodical approach to this topic and looks at how man might react if a planet is already inhabited by other species, as well as how one could build a civilization on a deserted land, all in the name of creating a commonwealth of planets.