Diophantus of Alexandria (Greek: Διόφαντος ὁ Ἀλεξανδρεύς b. between 200 and 214, d. between 284 and 298 AD), sometimes called "the father of algebra", a title he shares with al-Khwārizmī, was an Alexandrian mathematician. He is the author of a series of books called Arithmetica that deal with solving algebraic equations, many of which a… (More on Diophantus)