Ptolemy (85 - 165) - Biography - MacTutor History of Mathematics

Ptolemy was the most influential of Greek astronomers and geographers of his time. He propounded the geocentric theory of the solar system that prevailed for 1400 years.

Claudius Ptolemy : Greek Mathematician, Astronomer » Vedic Math School

Claudius Ptolemaeus, or Ptolemy, c. AD 90 to c.168. Roman mathematician, astronomer, geographer and astrologer Stock Photo - Alamy

Greek Geometry Secrets of The Ancient Mystics Revealed, PDF, Area

Claudius Ptolemy: Born: About 85 in Egypt Died: About 165 in Alexandria, Egypt, PDF, Ptolemy

Hypatia, Diophantus and Ptolemy — Living Math

Mathematical Treasures: The Linda Hall Library

Hypatia, Diophantus and Ptolemy — Living Math

Ptolemy (85 - 165) - Biography - MacTutor History of Mathematics

Books: Johannes Kepler

The Origin of Modern Astronomy - ppt download

Mathematical Treasure: Peuerbach's and Regiomontanus's Ptolemy

Pi - Wikiversity

Timeline Project by Natalie Tuites

Ptolemy, Accomplishments, Biography, & Facts