The son of Aglaos, Eratosthenes was born in 276 BC in Cyrene. He was born in what is now Libya, to parents who were probably Chaldean. Early Life . Your email address will not be published. Eratosthenes spent most of his career at the world-renowned Library of Alexandria. Eratosthenes Mathematician Born 276 BC Cyrene Died 194 BC Alexandria Nationality Greek Eratosthenes was a mathematician from ancient Greece. Alexander the Great conquered Cyrene in 332 BC, and following his death in 323 BC, its rule was given to one of his generals, Ptolemy I Soter, the founder of the Ptolemaic Kingdom. His only surviving work is Catasterisms, a book about constellations. His best known mathematical accomplishment was the first accurate calculation of He was also active in the fields of astronomy, geography, music, and poetry. | Terms of Use | Privacy Policy | Contact Us | Sitemap. Eratosthenes was a prominent Greek mathematician, astronomer and geographer who lived between 276 BC and 194 BC. Under Ptolemaic rule the economy prospered, based largely on the e… Eratosthenes was a famous Greek philosopher, mathematician and geographer who is credited for the measurement of earth’s circumference. Read on to know more … Eratosthenes is famous for many things, including a mapping method that used latitudes and longitudes, and his accurate computation of the circumference of earth. All Rights Reserved. He was also the director of the Library of Alexandria. Now part of modern-day Libya, Cyrene had been founded by Greeks centuries earlier and became the capital of Pentapolis (North Africa), a country of five cities: Cyrene, Arsinoe, Berenice, Ptolemias, and Apollonia. Eratosthenes, Greek scientific writer, astronomer, and poet, who made the first measurement of the size of Earth for which any details are known. Eratosthenes was born around 276 BCE in a Greek colony in Cyrene, a territory located in present-day Libya. Eratosthenes. He was educated at the academies of Athens and in 245 BCE, after earning attention for his skills, he was invited by Pharaoh Ptolemy III to run the Great Library at Alexandria in Egypt.

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