Ptolemy’s ancient work was rediscovered, and new maps were drawn based on his thousand-year-old calculations. Indeed, Christopher Columbus’ voyage to America was partly due to Ptolemy—and ...

From Ptolemy to GPS, the Brief History of Maps We now have the whole world in our hands, but how did we get here? Clive Thompson . July 2017. Get our newsletter! Get our newsletter!

A 2nd century map of Germania by the scholar Ptolemy has always stumped scholars, who were unable to relate the places depicted to known settlements. Now a team of researchers have cracked the ...

AT the meeting on Monday of the Royal Geographical Society, Dr. H. Schlichter read a paper on “Ptolemy's Geography of Eastern Equatorial Africa.” Ptolemy, as a geographer, has received very ...

A map created by Greek astronomer and cartographer Claudius Ptolemy, from around 140 A.D., is considered to be the oldest surviving representation of Ireland. Included among his treatise ...

An image of the map has been given to People's Collection Wales, external and Wikimedia Commons, external. Ptolemy was a Greek-Roman astronomer and geographer who established the use of longitude ...

One of the earliest surviving maps of the British Isles is made available for the public to view online by the National Library of Wales. National Library shares 2nd Century Ptolemy map image ...

The ancient Greek astronomer and geographer Ptolemy of Alexandria drew a map of the world in 140AD, which shows the stone fort, Grianan Aileach, as one of only five Irish sites to be noted in Ireland.

He bought a second-edition Ulm Ptolemy World Map, printed in different colours in 1486, five years ago from a private European collector. "It's equivalent to buying a rare edition," Mr Dewez said.