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  • Eratosthenes - Wikipedia
    Eratosthenes Eratosthenes of Cyrene ( ɛrəˈtɒsθəˌniːz err-ə-TOSS-thə-NEEZ; Ancient Greek: Ἐρατοσθένης [eratostʰénɛːs]; c 276 BC – c 195 194 BC) was an Ancient Greek polymath: a philosopher, scholar, mathematician, geographer, poet, astronomer, and music theorist
  • 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 calculated the tilt of Earth’s axis relative to the plane of its equator with good accuracy • He produced the first map of the world featuring meridian lines and parallel lines
  • Eratosthenes - 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 (276 BC - 194 BC) - Biography - MacTutor History of . . .
    Eratosthenes was a Greek mathematician who is famous for his work on prime numbers and for measuring the diameter of the earth
  • READ: Eratosthenes of Cyrene (article) | Khan Academy
    A man of many talents, Eratosthenes was a librarian, geographer, mathematician, astronomer, historian, and poet His friends at the library nicknamed him Pentathlos, or athlete who competes in five different events The name seemed to fit a scholar who excelled in many fields of study
  • Eratosthenes of Cyrene (ca. 284-ca. 192 BC) -- from Eric . . . - Wolfram
    Eratosthenes of Cyrene (ca 284-ca 192 BC) Consummate Greek scholar whose status as second best in each field earned him the nickname "Beta " He served as librarian at the great library in Alexandria, and wrote works of mathematics, geography, philosophy, and astronomy
  • A Profile of Greek Mathematician Eratosthenes - ThoughtCo
    Much of what Eratosthenes wrote is now lost, including a geometrical treatise, On Means, and one on the mathematics behind Plato's philosophy, Platonicus He also wrote the fundamentals of astronomy in a poem called Hermes





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