Claudius Ptolemaeus was born around 100 AD, in Alexandria, which is in Egypt. He died around 170 AD, most likely in Alexandria. Very little is known about his personal life or his childhood. However, Claudius is a Roman name and Ptolemaeus is a Greek name. He was a Roman citizen but also part Greek. At the time, the area where he lived was ruled by Rome. He wrote using Greek writing in his works. It is unknown whether he had children or if he was married. Not much is known about his family either. Most of what is known comes from what he wrote down.
As a mathematician, astronomer, astrologer, map maker, philosopher, and geographer, he made many contributions to many different fields. He also worked in music theory and wrote poetry. He is
