Ptolemy most commonly refers to
Claudius Ptolemaeus {
a.d. 127-151} a brilliant
mathematician,
astronomer, and
geographer in
Alexandria whose
Ptolemaic system reigned true until Mr.
Copernicus came along. Ptolemy was
Greco-Egyptian and was originally from
Helen.
Ptolemy could also refer to any of several kings of the Macedonian dynasty that ruled Egypt 323-30 b.c.