Originally published in 1766, the Laoco?n has been called the first extended attempt in modern times to define the distinctive spheres of art and poetry; its author, Gotthold Ephraim Lessing, has been called the first modern esthetician. As Michael Fried writes in his foreword, it is Lessing who invented the modern concept of the artistic medium, and it is in the Laoco?n, ultimately, that we find the source for modernist assumptions...