Polidoro left his native Lombardy for Rome around 1515, where he entered the workshop of Raphael (1483-1520). In 1517-1518 he worked with Giulio Romano (c. 1499-1546) and Perino del Vaga (1501-1547) on the frescoes in the Vatican Logge; he developed a particularly close friendship with the latter artist, who probably prepared the plans for Polidoro's frescoes of the Passion (early 1520s) in the Ca
Siciolante became an assistant to Perino del Vaga (1501-1547) following a probable apprenticeship with Leonardo Grazia da Pistoia (active in 1520-1550). His earliest certain surviving work -an altarpiece depicting the Virgin and Child with Saints Peter, Stephen and John the Baptist (1541) for SS. Stefano e Pietro, Valvisciolo- reflects the influence of both artists. While this is a rudimentary pie
Boscoli was a prolific draftsman. A student in the school of Santi di Tito (1536-1602), much of his knowledge was, however, self-taught. Time spent in Rome -probably early in the 1580s- enabled him to study both the antique and the more recent work of Polidoro da Caravaggio (c. 1499-c. 1543). Boscoli had returned to Florence by 1582, and thereafter he executed numerous private commissions, for the