Eratosthenes was the director of the great library of Alexandria, the Centre of science and learning in the ancient world. Aristotle had… — Carl Sagan Copy Share Image
Eratosthenes declares that it is no longer necessary to inquire as to the cause of the overflow of the Nile, since we… — Eratosthenes Copy Share Image
Eratosthenes's only tools were sticks, eyes, feet, and brains; plus a zest for experiment. With those tools he correctly deduced the circumference… — Carl Sagan Copy Share Image
Some people do indeed say that Eratosthenes could not have inferred the true measure of the earth. Whether true or untrue, it… — Marcus Vitruvius Pollio Copy Share Image
Remembering that Eratosthenes of Cyrene, employing mathematical theories and geometrical methods, discovered from the course of the sun, the shadows cast by… — Marcus Vitruvius Pollio Copy Share Image
Today Eratosthenes' method [of calculating the circumference of the earth] seems almost banal... yet it is inaccessible to prescientific civilizations, and in… — Lucio Russo Copy Share Image
Eratosthenes, the mapmaker who was the first man to accurately measure the size of the Earth, was a librarian. — Ken Jennings Copy Share Image
![“Today Eratosthenes' method [of calculating the circumference of the earth] seems almost banal... yet it is inaccessible to prescientific civilizations, and in all of Antiquity not a single Latin author succeeded in stating it coherently.” quote by Lucio Russo](https://sms4smile.com/quotes/img-quotes/d48/lucio-russo-43521_antiquity_today-eratosthenes-method-of-calculating_2489686.jpg)
