Giacomo della porta biography of barack

Giacomo della Porta belongs to that tribe Ticinese Lombard, consisting of engineers, architects and stonemasons, who moved to Rome to reach the great Domenico Fontana, who became the architect of Pope Sixtus V, appointed to realize the Sistine plan, that revolutionized the urban structure of Rome.

Were part of this tribe the illustrious Giovanni Fontana, Carlo Maderno, Stefano Maderno, Francesco Castelli "Borromini" and Carlo Fontana, nephew of Domenico.

When Michelangelo died in 1564, he left unfinished the dome of St.

Peter and remained such until Sixtus V, in 1587, entrusted Giacomo, with the help of Domenico Fontana to finally complete the dome.
Thanks to the energetic papal defense, Giacomo did not hesitate to modify the design of Michelangelo (hemispherical dome), comforted by Domenico , according to whom the drum would not hold the weight of the hemispherical dome.

Giacomo then drew a slender ellipsoid, which led the height of