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.

The New Astronomy at the Dawn of the Scientific Revolution

Ptolemy, Accomplishments, Biography, & Facts

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

History of mathematics - Wikipedia

Ptolemaeus hi-res stock photography and images - Alamy

Timeline Project by Natalie Tuites

The Math Book: From Pythagoras to the 57th Dimension, 250 Milestones in the History of Mathematics

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Ptolemy - Mathematician Biography, Contributions and Facts

Ptolemy Famous Mathematicians

Claudius Ptolemy, Greek mathematician and astronomer

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