There you go

"Edgar Allen Poe is considered one of the main architects of science fiction, because of his emphasis on scientific plausibility. "Hans Pfaal"(1835) is one of the first scientifically serious tales of space flight. Other of Poe's science fiction stories include "The Balloon Hoax" (1850) "The Conversation of Eiros and Charmion", the first end of the world story, "A Tale of the Ragged Mountains", may be the first story of physical time travel."