Another famous urban legend, spread around many colleges around the world, is about ghosts of former university professors. Such a legend exists in Germany, for example. During the Nazi era, many Communist of Jewish professors at the university were sent to concentration camps. Lots of them have apparently returned to their old workplace to haunt its grounds for eternity. While students haven't actually seen them, they have reported that the chalkboards in these professors' old lecture halls "self-erase", or have mysterious words written on them.
A similar urban legend exists in America. According to students and staff there, the ghost of a former classics professor who died in the 1960s haunts the Blegen rare book room. Students claim that they constantly feel like someone is watching them and keep hearing strange noises at night.