now for leonardo's contribution to it than verrocchio's.the angel on the left is the work of leonardo, an otherworldly creature that verrocchio never painted and never could have painted. by comparison, verrocchio's work is stylized in the florentine academic manner. the angel has an earthy quality. he looks like a boy. he has a rather vague stare looking blankly into space, away from the baptism itself. but leonardo's angel, loosely and freely rendered, is totally absorbed in watching the baptism and is a deeply moved witness. this kneeling angel, with its slight turn of the body, reveals for the first time one of the basic principles of leonardo's composition-- building a figure by means of several interlocking movements, a kind of twisting motion. it is almost as if we see him in three dimensions. the piazza della signoria has always been the heart of florence with its great sculptured figures, many of which were created in leonardo's time. leonardo walked this square as a young man of fashion who loved wearing flamboyant clothes and wor