In 1401, Brunelleschi entered a competition to design a new set of bronze doors for the baptistery in Florence. Along with another young goldsmith, Lorenzo Ghiberti, he produced a gilded bronze panel, depicting the Sacrifice of Isaac. His entry made reference to a classical statue, known as the 'thorn puller', whilst Ghiberti used a naked torso for his figure of Isaac. In 1403, Ghiberti was announced the victor, largely because of his superior...