Eratosthenes
Channel: Ananas Science
Date: 2017-02-24

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Eratosthenes of Cyrene was a Greek mathematician, geographer, poet, astronomer, and music theorist. He was a man of learning, becoming the chief librarian at the Library of Alexandria. He invented the discipline of geography, including the terminology used today.

TABLE OF CONTENTS:
0.  Introduction (00:00:00)
1.   Life  (00:01:42)
2.   Measurement of the Earth's circumference  (00:06:24)
3.   "Father of geography"  (00:09:41)
4.   Achievements  (00:12:18)
5.   Prime numbers  (00:14:37)
6.   Works  (00:15:28)

Source: https://en.wikipedia.org/wiki/Eratosthenes
Date: 02/23/2017

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