Cippo etrusco piriforme reimpiego antico _ Via San. Martino(G. Bettini, Comune di Pisa)Galileo's philosopher: Filippo Salviatiwas born in Florence in 1583 and, while receiving an education aimed at the financial control of the family, he concentrated his studies on mathematics and physics. He was a friend of Galileo Galilei, who dedicated his letters on sunspots Istoria e dimostrazioni intorno alle macchie solari to him in 1613. Filippo was an academic from the Lincei and the Crusca, but his fame is mainly due to the Dialogue Concerning the Two Chief World Systemsof Galilei, of which Filippo is the protagonist as a philosopher free from the dogmas of the authorities and supporter and defender of the Copernican system.
