Agostino di Duccio was an Italian sculptor active during the early Renaissance, primarily known for his work in marble. He was born around 1418 and is recognized for his contributions to the art of sculpture in Florence, where he was influenced by the styles of Donatello and Ghiberti. His works often feature intricate details and a strong sense of realism. One of his notable projects includes the tomb of St. Peter Martyr, which showcases his skill in creating expressive figures. Di Duccio's style reflects the transition from the Gothic to the more naturalistic forms of the Renaissance, making him an important figure in the history of sculpture.