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 ...

Claudius Ptolemy was a Greek mathematician ... Much of medieval astronomy and geography were built on his ideas: his world map, published as part of his treatise Geography in the 2nd century ...

Alongside his Geography, Ptolemy’s maps and geographical descriptions were used by many other cartographers and navigators, helping redefine and reshape the perception of the known world.