Sebastiano Mainardi: A Florentine Master of Madonna Portraits Sebastiano Mainardi (c.1460 – 1513), born in San Gimignano, Tuscany, stands as a pivotal figure within the Early Renaissance artistic landscape of Florence. Largely illuminated by the meticulous observations of Giorgio Vasari—the celebrated biographer of artists—his life’s narrative remains fragmented yet undeniably intertwined with the flourishing creative spirit of his er…