He is now almost forgotten, despite this being the 500th anniversary of his death. He was certainly an important influence on Raphael, and more.
The final few years of his life were highly productive. As well as superb religious works, some secular paintings have also survived.
When he returned to painting in 1504, he was quick to incorporate the latest developments such as sfumato, and enhanced his landscapes from real life.
Friend and colleague of Raphael, he was on a par with him, and Leonardo da Vinci. First part of a series marking the 500th anniversary of his death.