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 in his treatise ...

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 ...

Scientists since the 1940s have argued we normally possess an internal compass, “a map-like representation ... in the second century A.D. with Claudius Ptolemy. He was an astronomer and ...

Around the second century C.E., the Greek astronomer Claudius Ptolemy listed 48 “official ... were included in a constellation. All star maps used wavy lines to encompass not only the classical ...

In the article "Ptolemy's map of Ireland: modern decoding", academics R. Darcy & William Flynn write: "Claudius Ptolemy (roughly AD 90168) presents us the oldest surviving account of Ireland in ...

It was then, by him, designated a ‘great city’ of the known world. The original map of the world, as Claudius Ptolemy (the Latin version being Klaudius Ptolemaeus) drew it in 115AD ...

Researchers have deciphered an ancient manuscript that they think Claudius Ptolemy, an Egyptian mathematician and astronomer of Greek descent, penned during the first century A.D. Written in Greek ...