D.H.P.C.C.G. - Ptolemy

Name/Aliases: Ptolemy (Claudius Ptolemaeus, Ptolomaeus, Klaudios Ptolemaios, Ptolemeus)

Appearances/Mentions: Book 1. Pg 102.
Summary: Chocolate Frog Card Ron didn't have in his first year. Lived in Alexandria, Egypt from approx. 87 -150 AD. Astronomer, mathematician and geographer. Codified the Greek geocentric view of the universe, and rationalized the apparent motions of the planets as they were known in his time - called the Ptolemaic system - wherein the planets and sun orbited the Earth in the order Mercury, Venus, Sun, Mars, Jupiter, Saturn. This was accepted as the definitive view of the universe until the work of Copernicus in the 1500s. Graphed the first map of the world as a sphere, which was used up until Columbus' travels, as well.

Works:

The Almagest - includes a star catalog containing 48 constellations, using names which are still in use

The Geography - included first map of the world based on the idea that the world is round

Tetrabiblos - a work on astrology Important Quotes:

PS - Page 102 -- "Oh, of course you wouldn't know - Chocolate Frogs have cards inside them, you know, to collect - famous witches and wizards. I've got about five hundred, but I haven't got Agrippa or Ptolemy." (Ron)

This page written by Kat, aka Seraph_Amari

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