Archimedes (~287 - 212 BC)

• His father is thought to have been an astronomer, an interest he passed on to his son.
  
  
• Archimedes probably spent some time in Egypt early in his career, and probably studied Euclid at the Great Library of Alexandria.
  
  
• While in Egypt, he invented the Archimedes screw.
  
   Diodorus Siculus (first century BC), wrote in his Bibliotheke,
  
   "Most remarkable of all, they draw off streams of water by the so-called Egyptian screws, which Archimedes of Syracuse invented when he went by ship to Egypt."  Archimedes screws are still being used today.
  
  
  
• He resided for most of his life in Syracuse, the principal city-state in Sicily.
  
  
• Archimedes was on intimate terms with Syracuse's king, Hiero II, and served as his military advisor.

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