WebWho Was Eratosthenes? Eratosthenes (276 BC-194 BC) was a Greek mathematician, geographer and astronomer. He was born in Cyrene (now Libya) and died in Ptolemaic Alexandria. He is noted for devising a map … WebJul 31, 2007 · Eratosthenes was born in 276 B.C. in the city of Cyrene which is in the modern-day country of Libya. He apparently studied for a few years in Athens. He studied and spent most of his adult life in Alexandria, where he died in 194 B.C. at the age of 82 years. Some sources claim that Eratosthenes intentionally starved himself to death after …
Eratosthenes - Windows to the Universe
WebLife. The son of Aglaos, Eratosthenes was born in 276 BC in Cyrene.Now part of modern-day Libya, Cyrene had been founded by Greeks centuries earlier and became the capital of Pentapolis (North Africa), a country of … WebEratosthenes Born: 276 BC in Cyrene (modern day Libya) Died: 194 BC (at age 82) in Alexandria, Egypt Nationality: Greek Famous For: Calculating the Earth’s circumference Eratosthenes was a mathematician and … the so fetch
Sieve of Eratosthenes: Method, History & Examples - Study.com
WebOct 31, 2014 · Eratosthenes Mathematician, Geographer, Astronomer 276 BC- 194 BC. Born in Cyrene; Died in Alexandria • Known under the name β (Beta) because he was considered to be the second most knowledgeable person in the world on many subjects. Contributions: Earth’s Circumference Around 240 BC, at noon on the summer solstice, … WebHipparchus, also spelled Hipparchos, (born, Nicaea, Bithynia [now Iznik, Turkey]—died after 127 bce, Rhodes?), Greek astronomer and mathematician who made fundamental contributions to the advancement of astronomy as a mathematical science and to the foundations of trigonometry. Although he is commonly ranked among the greatest … WebEratosthenes of Cyrene (276 – 194 BC) was a 3rd century BC Greek mathematician, geographer and astronomer. He was head of the Library of Alexandria from 240 BC until his death: this was the most important library of the ancient world. According to the Suda, [1] his contemporaries nicknamed him Beta, (the second letter of the Greek alphabet ... the so called letter to diognetus