c.372 - 283 BC
Ptolemy I - a Macedonian Greek general - was one of Alexander the Great's favorite generals. He was with Alexander from his first campaigns, and played a principal part in the campaigns in Afghanistan and India.
After Alexander's death, Ptolemy seized Egypt as his share of the divided empire and he became the founder of the Ptolemaic dynasty that ruled Egypt for three hundred years.
Ptolemy I made Alexandria his capital and established the museum
and the great library in that city.