This study investigates the artistic significance and technical execution of Jacopo della Quercia’s Fonte Gaia in Siena. Anne Coffin Hanson, a scholar of Italian Renaissance art, examines the sculptor's stylistic evolution and his role as a bridge between the Gothic tradition and the burgeoning Renaissance movement. By analyzing the sculptural program of the fountain, the text argues for Quercia's influence on later masters, specifically Michelangelo, through his treatment of the human form and spatial composition.

Art historians regard this work as a definitive examination of Quercia’s contribution to Sienese art. Experts frequently cite the text for its rigorous formal analysis and its success in situating the sculptor within the broader context of the Italian Renaissance.