Disfigured, awkward and clumsy, Claudius (10 BC – 54 AD / Reigned 41 – 54 AD) was the black sheep of his family and an unlikely emperor. Once in place, he was fairly successful, but his poor ...

Claudius Ptolemy was a Greek mathematician, astronomer and geographer who lived in the Egyptian city of Alexandria while under the rule of the Roman Empire. Much of medieval astronomy and ...