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Claudius ptolemy
1. Born in about 85 AD in Egypt and died in
about 165 AD in Alexandria, Egypt.
Possibilities
2. • One of the most influential Greek
astronomers and geographers of his
time, Ptolemy propounded the
geometric theory in a form that prevailed
for 1400 years . Ptolemy was a
mathematician of the very top rank.
Possibilities
3. • He made astronomical
observations from
Alexandria, Egypt during the
years AD 127-141. Ptolemy
observations made by “
Theon the mathematician ”
who was almost certainly
Theon of Smyrna, who must
have been his teacher
Possibilities
4. • The most important of his works is the
Almagest whose original title was “ The
mathematical Compilation “.
• From in conception in the second century
until the late renaissance ,this work
determined astronomy as a science .
Possibilities
5. • The Almagest is the earliest of Ptolemy’s
works and gives in detail the mathematical
theory of the motions of the sun , moon and
planets. Ptolemy’s “Almagest” shares with
Euclid’s “Elments” the glory of being the
scientific text longest in use.