In 1882 a man named Ignatius Donnelly published a book titled Atlantis, the Antediluvian World. Donnelly, an American politician, had come to the belief that Plato's story represented actual historical fact. He located Atlantis continent in the middle of the Atlantic Ocean, suggesting the AzoresIslands represented what remained of the highest mountain peaks. Donnelly said he had studied zoology and geology and had come to the conclusion that civilization itself had begun with the Atlantians and had spread out throughout the world as the Atlantians established colonies in places like ancient Egypt and Peru. Donnelly's book became a world-wide best seller, but researchers could not take Donnelly's theories seriously as he offered no proof for his ideas.
Modern scientific surveys of the bottom of the Atlantic Ocean shows it is covered with a blanket of sediment that must have taken millions of years to accumulate. There is no sign of a sunken island continent.
People have made cases for places as diverse as Switzerland, in the middle of Europe, and New Zealand, in the Pacific Ocean. The explorer, Percy Fawcett, thought that it might be located in Brazil. Later, Spyridon Marinatos, an archaeologist, and A.G. Galanopoulos, a seismologist, added evidence to Frost's ideas on Atlantis Continent location..