This volume is dedicated to Taddeo di Bartolo (c. 1362-1422), painter of Sienese origin who, as the travelling master he was, spent a good part of his career moving between Tuscany, Liguria and Umbria, serving politically and economically powerful families, public authorities, large religious orders and brotherhoods. He was responsible for imposing altar polyptychs, a sacred art form of which he was the undisputed master: the re-composition of some of these apparatuses, such as the now dismembered altarpiece of San Francesco al Prato in Perugia, constitutes the fulcrum of the studies...