Mystery AtlasGregory McIntosh
Historian of cartography whose exhaustive 2000 study The Piri Reis Map of 1513 identified the map's disputed southern landmass as South America's own coastline, distorted to fit the parchment, followed by the era's conventional depiction of Terra Australis Incognita.
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Gregory McIntosh criticised Charles Hapgood — McIntosh's 2000 study is the definitive cartographic rebuttal of Hapgood's reading of the Piri Reis map's southern coastline.
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Gregory McIntosh debunked Piri Reis Map — McIntosh's exhaustive 2000 cartographic study identified the disputed landmass as South America's own coastline plus the era's conventional Terra Australis Incognita, not a pre-glacial Antarctica.