Francesco Borromini was a stone mason by trade and started off as a stone mason in his early career. Under directions of his father, he was sent to Milan for perfecting his skills in stone cutting when he was introduced to the craft of architecture before moving to Rome in the early 1600’s and started work for his distant relative and architect, Carlo Maderno. Only after Maderno’s death did Borromini became acquainted with the great Gian Bernini. Bernini became Borromini’s great friend and colleague as they worked on projects such Maderno’s Palazzo Barberini and the Baldachin in Saint Peter’s Cathedral. Bernini was impressed with Borromini’s novel formulation of architectural detail, something he has greatly perfected as a stonemason.
The pair would become prime influences of the Italian baroque movement in Rome of the 1600s in advance of Pope Sixtus V ‘s "Roma in forma sideris” plan of Rome. Unlike Bernini’s character traits of being able to please aristocratic and the powerful, Borromini was a lonely, withdrawn man who looked to become an independent architect who prided himself on his