Check out Jan Denef's current and previous haircuts:
Jan Denef has had various hairstyles in the past decade. He became famous as an outstanding mathematician and university teacher. Nevertheless, the Belgian mathematician is mostly known for his extradordinary public appearances and his delightful personality. Rumors and gossip about the 73-year old's haircut are always a topic in celebrity magazines and tabloids. Check out Jan Denef's former and current haircuts in the image gallery right here: