An A-Z Guide To The Search For Plato's Atlantis

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John B. Newman

Landbridges

Landbridges, in the distant past are believed to have played a critical part in early human migration. Similarly, migration-routeslandbridges, both real and speculative are important components in many Atlantis theories. There is no doubt that the ending of the last Ice Age and the consequent rising sea levels led to the creation of islands where continuous land has previously existed. The separation of Ireland and Britain from each other and from mainland Europe is just one example, the latter leading to a number of writers to identify ‘Doggerland‘, which lay between Britain and Denmark as the home of Atlantis.

The two most discussed landbridges were at the Bering Strait, where it is thought that it provided the gateway for humans to enter the Americas from Asia and an Atlantic landbridge, when one of the first to make this suggestion was John B. Newman in 1849 [488.8], who wrote that “in former times an island of enormous dimensions, named Atlantis, stretched from the north-western coast of Africa across the Atlantic ocean and that over this continental tract both man and beast migrated westward.

The Atlantic landbridge idea became quite popular by the end of the 19th and beginning of the 20th centuries and even as late as the 1970s when espoused by Rene Malaise(a), but is now completely abandoned. Although there was only one suggestion that the Bering Strait was in any way connected with Plato’s Atlantis, several commentators identified an Atlantic landbridge as the ideal location for Plato’s Atlantis, particularly as he placed it in the Atlantic Sea. However, this should not be confused with the Atlantic Ocean, a word that had an entirely different meaning for the Greeks.

The idea was initially put forward in order to explain the floral and faunal similarities shared by the Old World and the New World of the Americas. The hypothetical Atlantic landbridges also offered a possible route for the peopling of the Americas by Europeans and/or Africans. It was not long before the discovery of the Mid-Atlantic Ridge(b) seemed to confirm this idea. Then it was suggested that Atlantis existed on this landbridge, which was destroyed by rising sea levels after the last Ice Age, leaving just the Azores, Madeira and a few other islands as remnants.

A number of landbridges have been proposed for the Mediterranean and linked to a variety of Atlantis theories, the most notable being proposed for the straits of Gibraltar, Sicily and Messina. Less popular theories have been constructed involving landbridges in locations, such as the Caribbean and Indonesia.

(a)  Atlantis, Vol.27, No.1, Jan-Feb 1974.

(b) From the Contracting Earth to early Supercontinents – Scientific American Blog Network

Newman, John B.

John B. Newman, was a 19th century American physician who produced a short volume[488] purporting to demonstrate connections between the Phoenicians, Atlanteans and Native Americans. He was one of the earliest proponents of a large island stretching across the Atlantic from northwest Africa towards America, providing a stepping-stone or landbridge between the Old and New Worlds for animals and man.

It is worth pointing out that it was written in 1849, over thirty years before Ignatius Donnelly published his influential work.