The Resurrection of Jimber-Jaw

"The Resurrection of Jimber-Jaw" is a 1937 short story by American writer Edgar Rice Burroughs, about an unfrozen 50,000-year-old caveman. The story was originally printed in Argosy, and later reprinted as one of three stories in the collection, Tales of Three Planets (Canaveral, 1964, 1974).