The Neanderthal skulls and bones that have been discovered in Europe predate 40,000 years in the past. The proof for any later than that may just be due to lack of discovered artifacts and if they occupied Europe after that time, Neanderthals were few in number. In this fiction story, (Sam) a Neanderthal died some 25000 years ago, so he would have been one of the last or possibly the last Neanderthal. Atlantis has been described by the Greek Homer...