Simone Martini - Guidoriccio da Fogliano, Equestrian Portrait, 1328, Fresco, Fondazione Musei Senesi. About the artist: Simone Martini (AKA Simone Senese), Italian painter and manuscript illuminator. Born between 1280 and 1285, Siena. Died 1 August 1344, Avignon. Work period: between 1313 and 1342. Work location: Naples, Assisi, Siena, Avignon.