Ghiberti won the competition. His first set of Baptistry doors took 27 years to complete, after which he was commissioned to make another. In the total of 50 years that Ghiberti worked on them, the doors provided a training ground for many of the artists of Florence. Being narrative in subject and employing not only skill in arranging figurative compositions but also the burgeoning skill of linear perspective, the doors were to have an enormous influence on the development of Florentine pictorial art.