How many areas of  expertise did Claudius have?
Five
Where did he live?
city of Alexandria in the Roman province of Egypt
Where was he considered a citizen?
Rome
Was he listed as residing elsewhere?
Yes
By who?
Theodore Meliteniotes
Was it true?
No.
Who was Theodore?
14th-century astronomer
When did Ptolemy die?
around AD 168
What did he write?
scientific treatises
Who were they of significance to?
Byzantine, Islamic and European science
What was his first writing?
Almagest
Did it have another title?
Yes
What was the other title?
Mathematical Treatise
Was that the original title?
Yes.
What was another one of his writings?
Geography
Did it have any other titles?
No.
What was another of his writings?
Apotelesmatika
Did it have any other names?
Yes.
What was it also known as?
Tetrabiblos