Sistine Chapel ceiling and the relatively conservative concept of the relationship between Eve and her Creator adheres closely to Jacopo's design. Other panels on the ceiling, most particularly the iconic "Creation of Adam" show "... unprecedented invention". The ceiling of the Sistine Chapel was to have a profound effect upon other artists, even before it was completed. Vasari, in his Life of Raphael, tells us that Bramante, who had the keys to the chapel, let Raphael in to examine the paintings in Michelangelo's absence. On seeing Michelangelo's prophets, Raphael went back to the picture of the Prophet Isaiah that he was painting on
Sistine Chapel three to get the width and by two to get the height. Maintaining the ratio, there were six windows down each side and two at either end. Defined proportions were a feature of Renaissance architecture and reflected the growing interest in the Classical heritage of Rome. The ceiling of the chapel is a flattened barrel vault springing from a course that encircles the walls at the level of the springing of the window arches. This barrel vault is cut transversely by smaller vaults over each window, which divide the barrel vault at its lowest level into a series of large