Giorgio Vasari and Johan Joachim Winckelmann in The Art of Art History.

Compare and contrast the texts by Giorgio Vasari and Johan Joachim Winckelmann in The Art of Art History. How does each author view art of the past? What do they think about antiquity? What do they think of art of their own periods? How do they imagine art's relationship with nature? How does each author position himself? Who is the audience for each text?