Pietro Cavallini. Pietro Cavallini was an Italian painter and mosaic designer working during the late Middle Ages.
   Little is known about his biography, though it is known he was from Rome, since he signed pictor romanus. His first notable works were the fresco cycles for the Basilica di San Paolo fuori le Mura, with stories from the New and Old Testament.
   They were destroyed by the fire of 1823. His Last Judgment in the Church of Santa Cecilia in Trastevere in Rome, painted c. 1293 and considered Cavallini's masterwork, demonstrates an artistic style known as Roman naturalism.
   This naturalism influenced the work of artists working in other Italian cities such as Florence and Siena. In the Sienese school, the influence of classical Roman forms combined with the Byzantine artistic heritage of the region and with northern Gothic influences to form a naturalized painting style that was one of the origins of International Gothic.
   In Florence, the influence of classical Roman forms combined with the Byzantine artistic heritage of the region to spark an interest in volumetric, naturalistic paintings and statuary. This work is in stark contrast to the comparatively flat and ornamented Gothic, International Gothic, and Byzantine styles. This naturalism is also evident in the Basilica of San Francesco d'Assisi in Assisi, built in the early years of the 13th century in honor of the newly canonized St. Fran
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