 Gombrich explores a variety of fertile ideas in Art and Illusion, about the history of style, about realism in the visual arts, and about the relationship between the content of a representation and its use in imaginative play, some of which we shall return to below. But the comparison between seeing pictures and seeing aspects provides the focus of Richard Wollheim’s criticism of Gombrich’s ideas, out of which he develops his own theory of depiction.