Mario LudwigMario Ludwig, a biologist with a doctorate from Karlsruhe, has published around 30 books so far in which he deals with the phenomena of nature in an entertaining and humorous way. Some of them made it to the SPIEGEL bestseller list. Mario Ludwig becae known to a broad public through his numerous television appearances. He also writes for various newspapers and magazines and can be heard regularly on the radio and in podcasts. Read More Read Less