Adolph Francis Alphonse Bandelier, George Squier (E. G. SquierEphraim George Squier), Arthur Posnansky, Charles Stanish, Pedro De Cieza De Leon, Alexander Von Humboldt, , Zelia Nuttall, Hiram Bingham, Pedro Pizarro, Leonce Angrand, John Hemming, James Churchward, John E. Staller, Steven Gullberg and J. McKim Malville, etc

Also J. M. Allen
httpwww.atlantisbolivia.orgplaincomparison.htm
httpswww.youtube.comchannelUCEgrUi73nuvC6p5ADyGQvng