Ptolemey Klavdy (ca. 100 -. 178) - Roman geographer, mathematician and astronomer. He lived and worked in Alexandria. Essay "Guide to Geography" is devoted to the presentation of the methods of scientific mapping. As an application to it was 27 Ptolemy oecumene cards from the Canary Islands to China, which maps and prevoskhodilivse antiquity srednevekovya.Trud "Mathematical system" (in Ar. Translating "Almagest") is the highest achievement of ancient astronomy. Ptolemy geotsentricheskoysistemy completed the establishment of peace, in which the apparent motion of the moon, sun and planets 5 explained with the help of the eccentric and epicycles (small movements of the planets orbits around the center of the pain-Scheu movement orbit centers around the Earth).