We will follow our artist in his different places of abode, thus establishing the various periods of his life and artistic productions; from the Fiesole hills, where the first seedlings of his fantasy were sown, to green Umbria, where his early works are, works warm with enthusiasm, faith and youthful candour: from Florence, which he enriched with admirable frescoes, and innumerable pictures dazzling with gold and azure, to Rome, where he left his grand pictorial legacy in the oratory of Pope Nicholas V.