raphael's work was equally celebrated, and bramante the architect was working on the completion of saintpeter's cathedral. but there were no commissions at the vatican for leonardo. leo x, a medici pope, chose to ignore him as a man who never completed anything, as a man who thinks of the end of the project befo he even begins it. one is tempted to see this period in leonardo's life in terms of the only painting of his, an early one, which hangs in the vatican, the saint jerome. in this picture the saint is alone and agonized, as leonardo must have been. in one of his notebooks, leonardo writes, "tell me if anything was ever done," as if to justify his many uncompleted works. and in a note to himself, he says, "why do you suffer so?" two events of great significance happened at this time. first, leonardo began his painting of saint john the baptist, his last great work. almost invariably the word "enigmatic" is applied to it, for one can see in it so many of the qualities of leonardo's finest paintings-- the finger pointing to heaven as the ultimate explanation of man's destiny; the grac