The Quantum Jump and The Impersonator

Two classic short stories from The Golden Age of Science Fiction. Featured here: "The Quantum Jump", and "The Impersonator". Excerpt from "Quantum Jump":
"Visions of glory of being the first to land on a distant planet. Captain Brandon was a space explorer, but this time attempts to figure out a bit of a riddle, how is it that those 'out there' seem to know more about his home..."