Nicola Pisano was an Italian sculptor whose work is noted for its classical Roman sculptural style. Pisano is sometimes considered to be the founder of modern sculpture. Wikipedia
The definitive Wikipedia entry for Nicola Pisano. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Nicola_Pisano
Except through his works, but little is known of the history of Nicola's life. As early as 1221 he is said to have been summoned to Naples by Frederick II, to do work in the new Castel del l'Uovo. This fact supports the theory of his southern origin, th www.nndb.com/people/893/000084641/