Learn about Eratosthenes, the ancient Greek scholar and head librarian of the Great Library at Alexandria, known today as the father of geography. geography.about.com |
Eratosthenes calculated the circumference of the earth. ancienthistory.about.com |
Eratosthenes of Cyrene was a Greek mathematician, poet, athlete, geographer, astronomer, and music theorist. He was the first person to use the word ... wiki.ask.com |