santi was a behemoth in the art world , and being known solely by one 's first name was a level of fame achieved only by an elite few ... people like napoleon , galileo , and jesus ... and , of course , the demigods langdon now heard blaring from harvard dormitories - sting , madonna , jewel , and the artist formerly known as prince , who had changed his name to the symbol angels and demons causing langdon to dub him `` the tau cross with intersecting hermaphroditic ankh . ''