Nebbia was a prolific painter and draftsman, a student under Girolamo Muziano (1532-1592), but influenced also by Federico Zuccaro (1540/42-1609). Between 1562 and 1575 he worked continuously as a frescoist in the cathedral at Orvieto, for which he also executed altarpieces. He subsequently moved to Rome, where again he produced altarpieces for various churches, as well as decorations at the Sforz
Guerra arrived in Rome in 1562, where he became a member of the Accademia di S. Luca. He established a workshop with Cesare Nebbia (c. 1536-1614) and together they secured numerous papal commissions. These included the decoration of the Salone Sisto in the Vatican Library (1585-1589) and that of the Scala Santa at Porta S. Giovanni. Guerra and Nebbia collaborated in prepSring the designs for these
While still a young artist, Trometta moved to Rome, where he trained in the workshop of the Zuccaro brothers. He was particularly influenced by the work of Taddeo Zuccaro (1529-1566) and, along with Cesare Nebbia (c. 1536-1614), rose to become one of the workshop's principal members. He had acquired independence by 1565, when he received the commission to decorate a Chapel in S. Maria della Consol
The sources on Lilio's early life are sparse and sometimes contradictory. As a youth he was already active in Rome, since he is recorded in 1583 as beginning work on the four Evangelists beneath the cupola in the Gesu. His early training seems to have been with Cesare Nebbia (c. 1536-1614) and Giovanni Guerra (1544-1618), though he soon after gravitated to the circle of Barocci's followers then wo