Erathosthenes and ptolemy were both mathematicians that made significant contributions in the areas of mathematics, as well as astronomy and geography. The time line below shows the estimated times they lived. Find the differences between the number of years they lived?
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Answer:
Eratosthenes of Cyrene (/ɛrəˈtɒsθəniːz/; Greek: Ἐρατοσθένης ὁ Κυρηναῖος, romanized: Eratosthénēs ho Kurēnaĩos, IPA: [eratostʰénɛːs]; c. 276 BC[note 1] – c. 195/194 BC)[note 2] was a 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. His work is comparable to what is now known as the study of geography, and he introduced some of the terminology still used today.[1]
Eratosthenes
An etching of a man's head and neck in profile, looking to the left. The man has a beard and is balding.
Born
276 BC[note 1]
Cyrene
Died
194 BC (around age 82)[note 2]
Alexandria
Occupation
Scholar
Librarian
Poet
Inventor
Known for
Sieve of Eratosthenes
Founder of Geography
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