Cristoforo Mantegazza was an Italian sculptor who was active from 1464. He was born in Pavia. Among his other works, he collaborated with his brother Antonio to the façade of the Certosa of Pavia (relief with the "Expulsions of the progenitors"), one of the masterworks of northern Italy's Renaissance. For a certain period he also directed the construction of that building. Wikipedia
The definitive Wikipedia entry for Cristoforo Mantegazza. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Cristoforo_Mantegazza