Eratosthenes was a mathematician and astronomer from Greek antiquity. Dr Phil Gabrielle Update, First Day Activities For High School Students, Holding a Fundraiser: Money for a Good Cause. Educated in Athens, Greece, and in Alexandria, Egypt, Eratosthenes was appointed director of the great Library at Alexandria in 236 B.C., where he served for several years. Eratosthenes was a prominent Greek mathematician, astronomer and geographer who lived between 276 BC and 194 BC. In addition to that he composed an algorithm for finding prime numbers that is now called Sieve of Eratosthenes. Eratosthenes: 276-195 B.C.E. Csl Behring Mea, His best known mathematical accomplishment was the first accurate calculation of The contributions of eratosthenes. Barry Larkin College Stats, Today he is best known for his contributions to geography, mathematics, and astronomy. Birch Benders Pancake Mix Ingredients, Big Daddy Weave Amputation, Additionally, he calculated the circumference of the Earth by incorporating the data of angle of elevation of the Sun at noon. TeacherVision is part of the FEN Learning family of educational and reference sites for parents, teachers and students. He was born in what is now Libya, to parents who were probably Chaldean. His teachers included the scholar Lysanias of Cyrene and the philosopher Ariston of Chios who had studied under Zeno, the founder of the Stoic school of philosophy. He worked in geography to try to figure out why the Nile river had such a regular flood pattern, and hypothesized that it was because of heavy rain upstream. professionally created teacher resources. Fragments Collected and Translated, with Commentary and Additional Material. The actual calculations that the great Eratosthenes would employ were quite simple. Eratosthenes was an illustrious ancient Greek polymath who had expertise in mathematics, astronomy and geography. Eratosthenes noticed that at noon on the summer solstice in an Egyptian well, the sun’s rays shone directly into the well and lit up the water—meaning that at that day and time, the sun was right above the well. His mathematical work is known principally from the writings of the Greek geometer Pappus of Alexandria, and his geographical work from the first two books of the Geography of the Greek geographer Strabo. Eratosthenes of Cyrene was a Greek mathematician who lived from about 275-195 B.C. Cage Discography, N.S. What most people probably do not know is that Eratosthenes is not only a famous mathematician but also a well known geographer, astronomer and historian. Pony Gag Bits, In mathematics, Eratosthenes discussed doubling a cube and is thought to have worked to find a solution. He was born in a Greek colony called Cyrene—located in modern day Libya—in 276 BC. Classical ArchitectureWhen you think of classical architecture, you may envision such structural elements as white columns,... Asian American and Pacific Islander Heritage Month.