Ptolemy/Definition

From Citizendium
Jump to navigation Jump to search
This article is a stub and thus not approved.
Main Article
Discussion
Related Articles  [?]
Bibliography  [?]
External Links  [?]
Citable Version  [?]
 
A definition or brief description of Ptolemy.

(2nd century AD) Egyptian astronomer and geographer whose main work, the Almagest, a compendium of contemporary astronomical knowledge, was in use into the 15th century.