A Sienese Visionary: The Soul of Pietro di Francesco degli Orioli In the golden twilight of the Quattrocento, as the Renaissance began to reshape the Italian peninsula, a singular voice emerged from the storied streets of Siena. Pietro di Francesco degli Orioli (c. 1458–1496) was not merely a painter of his era, but a bridge between two worlds. While the burgeoning influence of Florence pushed toward a rigorous, mathematical realism,…