Creature from Beyond Infinity
Author: first_name: Henry
last_name: Kuttner
Language: English
Year: 1940

A lone space traveler arrives on Earth seeking a new planet to colonize, his own world dead. At the same time a mysterious plague has infected Earth that will wipe out all life. Can a lone scientist stop the plague and save the world? Or will the alien find himself on another doomed planet? (Summary by Mark Nelson)