Eratosthenes - Wikipedia Eratosthenes of Cyrene ( ɛrəˈtɒsθəniːz ; Ancient Greek: Ἐρατοσθένης [eratostʰénɛːs]; c 276 BC – c 195 194 BC) was an Ancient Greek polymath: a mathematician, geographer, poet, astronomer, and music theorist He was a man of learning, becoming the chief librarian at the Library of Alexandria
Eratosthenes | Biography, Discoveries, Sieve, Facts | Britannica Eratosthenes, Greek scientific writer, astronomer, and poet, who made the first measurement of the size of Earth for which any details are known He was also the director of the Library of Alexandria His only surviving work is Catasterisms, a book about constellations
Eratosthenes - World History Encyclopedia Eratosthenes (l c 276-195 BCE) was a Greek astronomer, geographer, mathematician, and poet best known for being the first to calculate the circumference of the earth and its axial tilt
Eratosthenes - Biography, Facts and Pictures - Famous Scientists Eratosthenes was an Ancient Greek scientist born in the town of Cyrene in about 276 BC Cyrene, then a Greek city, is now the town of Shahhat in Libya Eratosthenes was educated in philosophy and mathematics in Athens
Eratosthenes Facts Biography | Famous Mathematicians Eratosthenes was a mathematician and astronomer from Greek antiquity His work helped lay the foundation for many of the brilliant advanced concepts in math and science in the modern era He also served as a distinguished and innovative geographer
Eratosthenes: Life and Major Accomplishments of the Ancient Greek . . . Eratosthenes of Cyrene (c 276–c 195 BC) was an Ancient Greek polymath renowned for his contributions to mathematics, geography, poetry, astronomy, and music theory Eratosthenes was the son of Aglaos, residing in Cyrene, which was established centuries earlier by Greek settlers
Eratosthenes - New World Encyclopedia Eratosthenes (Greek Ἐρατοσθένης; 276 B C E – 194 B C E ) was a Greek mathematician, geographer and astronomer His contemporaries nicknamed him "beta" (Greek for "number two") because he supposedly proved himself to be the second in the ancient Mediterranean world in many fields
Eratosthenes - Simple English Wikipedia, the free encyclopedia Eratosthenes of Cyrene (276 – 194 BC) was a 3rd century BC Greek mathematician, geographer and astronomer He was head of the Library of Alexandria from 240 BC until his death: this was the most important library of the ancient world