Ctesibius (Greek Κτησίβιος) of Alexandria, Egypt, was a Greek inventor and mathematician, the first great figure of the ancient engineering tradition of Alexandria. He is credited with a ...

Ctesibius worked in his father’s barbershop — that’s the modern parlance since we don’t know what they were really called in 200 BC Alexandria. Apparently, there was quite a bit of ...

History The organ is a relatively old musical instrument, dating from the time of Ctesibius of Alexandria (285–222 BC), who invented the water organ. It was played throughout the Ancient Greek and ...