Born in Florence, Taddeo Gaddi was a central figure in the development of Florentine painting during the 14th century. He spent over two decades working in the workshop of Giotto, eventually becoming his most significant follower and continuing the master's stylistic innovations after his death.

Gaddi is celebrated for his sophisticated use of light and spatial depth, most notably in the Baroncelli Chapel frescoes. His work bridged the gap between the monumental style of Giotto and the more decorative, narrative-driven approaches that characterized the later Gothic period in Italy.

His legacy remains foundational to the study of early Renaissance art, with his influence extending to both painting and architectural projects in Tuscany. His technical contributions to fresco painting and panel work continue to be subjects of scholarly analysis in art history.