"Armand Rassenfosse . . . was expected to follow in the footsteps of his father, a prosperous merchant in Liège, pursuing his penchant for drawing and engraving only as a hobby. But on a business trip to Paris, he met Felician Rops who persuaded him to attend the Academy at Liège . . . Rassenfosse at first designed small graphic works like ex libris and letterheads, then went on to book illustrations and magazine cover designs. His posters have a directness and simplicity that bring them an…