 Spiegelman 's belief that comics are best expressed in a diagrammatic or iconic manner has had a particular influence on <unk> such as Chris Ware and his former student Scott McCloud . In 2005 , the September 11 @-@ themed New Yorker cover placed sixth on the top ten of magazine covers of the previous 40 years by the American Society of Magazine Editors . Spiegelman has inspired numerous cartoonists to take up the graphic novel as a means of expression , including Marjane Satrapi . 
