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Eratosthenes Of Alexandria
Eratosthenes of Cyrene (; grc-gre, Ἐρατοσθένης ; – ) was a Greek polymath: a mathematician, geographer, poet, astronomer, and music theorist. He was a man of learning, becoming the chief librarian at the Library of Alexandria. His work is comparable to what is now known as the study of geography, and he introduced some of the terminology still used today. He is best known for being the first person known to calculate the circumference of the Earth, which he did by using the extensive survey results he could access in his role at the Library; his calculation was remarkably accurate. He was also the first to calculate Earth's axial tilt, which has also proved to have remarkable accuracy. He created the first global projection of the world, incorporating parallels and meridians based on the available geographic knowledge of his era. Eratosthenes was the founder of scientific chronology; he used Egyptian and Persian records to estimate the dates of the main e ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Philipp Daniel Lippert
Philipp is both a surname and a given name. Notable people with the name include: "Philipp" has also been a shortened version of Philippson, a German language, German surname especially prevalent amongst German Jews and Dutch Jews. Surname * Adolf Philipp (1864–1936), German/American actor, composer and playwright * David Philipp, biologist * David Philipp (footballer) (born 2000), German footballer * Elke Philipp (born 1964), German Paralympic equestrian * Elliot Philipp (1915–2010), British gynaecologist and obstetrician * Franz Philipp (1890–1972), German church musician and composer * Julius Philipp (1878–1944), German metal trader * Lutz Philipp (1940–2012), German long-distance runner * Oscar Philipp (1882–1965), German and British metal trader * Paul Philipp (born 1950), Luxembourgian football player and manager * Peter Philipp (1971–2014), German writer and comedian * Robert Philipp (1895–1981), American Impressionist painter Given name * Philipp Bönig ( ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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