Eratosthenes
Eratosthenes
Important facts about him:
- He invented the discipline of geography, including the terminology used today
- He is best known for being the first person to calculate the circumference of the Earth
- He was also the first to calculate the tilt of the Earth's axis,
- Additionally, he may have accurately calculated the distance from the Earth to the Sun and invented the leap day.
- He created the first map of the world incorporating parallels and meridians, based on the available geographical knowledge of the era.
- Eratosthenes proposed a simple algorithm for finding prime numbers. This algorithm is known in mathematics as the Sieve of Eratosthenes.
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