Claudius Ptolemy, Greek mathematician and astronomer

Claudius Ptolemy was a 2nd century Greek mathematician, astronomer and geographer famous for his controversial geocentric theory of the universe, which would form the basis of our understanding of the motions of stars and planets for over than a thousand years.

Ptolemy, Claudius (c.100 – c.170)

Claudius Ptolemaeus Astronomer & Mathematician Presented By:  Daniel Ramirez  Daisy Garcia  Jessica Caballero  Heladio Rosales  Alessandro Crinzi. - ppt download

Math History 4.4 Ptolemy and Greek Astronomy

Claudius Ptolemy: The Mathematics of Celestial Motion, by Dr. Aditya Nagrath

SC E01: Claudius Ptolemy- The Greek Astronomer

Ptolemy

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Image of Map Of The World After Claudius Ptolemy (c.100-170), Greek Astronomer, Mathematician And Geographer. Cosmography By Sebastian Münster (1488-1552). Full Credit: Roger-Viollet / Granger -- All Rights Reserved. From Granger

Ptolemy, Accomplishments, Biography, & Facts

Claudius Ptolemy - Biography, Facts and Pictures