Philo of Alexandria was a Jewish leader, philosopher and scholar in the first century. Born in 30 BC to a wealthy Jewish family in the Egyptian city of Alexandria, he was an important spokesman ...

Ctesibius (Greek Κτησίβιος) of Alexandria, Egypt ... His work is chronicled by many later inventors, e.g. Philo of Byzantion, Vitruvius, Athenaeus, etc., who repeatedly mentioned him.