Claudius Ptolemy

about 85 - about 165

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Ptolemy was the most influential of Greek astronomers and geographers of his time. He propounded the geocentric theory that prevailed for 1400 years.
Full MacTutor biography [Version for printing]
List of References (80 books/articles)

A Quotation

A Poster of Ptolemy

Mathematicians born in the same country

Additional Material in MacTutor

  1. Ptolemy's hypotheses of astronomy

Honours awarded to Ptolemy
(Click below for those honoured in this way)
Lunar featuresCrater Ptolemaeus
Planetary featuresCrater Ptolemaeus on Mars

Other Web sites
  1. Encyclopaedia Britannica
  2. Astroseti (A Spanish translation of this biography)
  3. NNDB
  1. Science Museum Florence
  2. Vatican exhibition
  3. High Altitude Observatory
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http://www-history.mcs.st-andrews.ac.uk/Mathematicians/Ptolemy.html