Matteo Giovannetti (c. 1322, Viterbo, Latium – 1368) was an Italian painter. He belonged to the Simone Martini school and was a friend of Petrarch. He was summoned to Avignon by pope Clement VI to decorate the Palais des Papes there. He led teams of painters from right across Europe. He began painting the Saint-Martial chapel on 13 October 1344, wh...