H. Beam Piperwas a well-regarded and popular American science fiction author active in the 1940s, 1950s and early 1960s, who published many science fiction short stories, novelettes, novellas and novels. One major strand in his writing is envisioning a future history based on human civilization expanding throughout the galaxy, with a rather paternalistic approach to sentient alien species. Another important theme was Piper’s concept of “Paratime”: the idea that there...