Andrea Pozzo (Italian: [anˈdrɛa ˈpottso]; Latinized version: Andreas Puteus; 30 November 1642 – 31 August 1709) was an Italian Jesuit Brother, Baroque painter and architect, decorator, stage designer, and art theoretician.Pozzo was best known for his grandiose frescoes using illusionistic technique called quadratura, in which architecture and fancy are intermixed. His masterpiece is the nave ceiling of the Church of Sant'Ignazio in Rome.