Claudius Ptolemy was a Greek mathematician, astronomer and geographer who lived in the Egyptian city of Alexandria while under the rule of the Roman Empire. Much of medieval astronomy and ...
Claudius Ptolemy (150 AD) map drawn from Ptolemy's coordinates for a 1482 edition of his Geographia (The Ulm Edition, Leinhard Holle) Lands beyond the bounds of the known world tantalized the ...
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