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.

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

Gal Ptolemy

Claudius Ptolemy - Biography, Facts and Pictures

Epytoma in Almagestum Ptolemaei, PTOLEMY, Johannes REGIOMONTANUS, Johannes MÜLLER, and Georg PEURBACH

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

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

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

Ptolemy Famous Mathematicians

MYSTERIES OF THE EQUILATERAL TRIANGLE - HIKARI Ltd

Hebrew Illuminated Manuscripts Labban : Medieval Text Manuscripts

Hypatia - Wikipedia

Books: Johannes Kepler

Nicolaus Copernicus - Wikipedia

Ptolemy, Accomplishments, Biography, & Facts

Regiomontanus (1436 - 1476) - Biography - MacTutor History of Mathematics