Geographer

Claudius Ptolemy

Ptolemy, a Greek astronomer and geographer, lived in around 85 to 165 A.D. He was born in Egypt, and he died there too. Egypt was the center of learning in those times, and it was there that Ptolemy got his education. His name Ptolemy is, in fact, an Egyptian name, while Claudius is a Roman

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Eratosthenes

Eratosthenes was a prominent Greek mathematician, astronomer and geographer who lived between 276 BC and 194 BC. He was born in what is now Libya, to parents who were probably Chaldean. Eratosthenes is famous for many things, including a mapping method that used latitudes and longitudes, and his accurate computation of the circumference of earth.

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