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.

Books: Johannes Kepler

The New Astronomy at the Dawn of the Scientific Revolution

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

Early Proofs of the Pythagorean Theorem by Leonardo Da Vinci, Ptolemy, Thabit ibn Qurra, and Garfield - Owlcation

Euclid (325 BC - 265 BC) - Biography - MacTutor History of Mathematics

Hypatia, Diophantus and Ptolemy — Living Math

Mathematical Treasures: The Linda Hall Library

Ptolemaeus hi-res stock photography and images - Alamy

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

Mathematics - Wikipedia

Claudius Ptolemy - Biography, Facts and Pictures

Hypatia, Diophantus and Ptolemy — Living Math

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

Ptolemy Famous Mathematicians