Check out Jack Dongarra's current and previous haircuts:
Jack Dongarra has had various haircuts in the past decade. He reached fame as an excellent mathematician, computer scientist, engineer and university teacher. However, the American academic is mainly known for his unusual sense of fashion and his likable character. Rumors and gossip about the 74-year old's haircut are continously a topic in celebrity magazines and tabloids. Check out Jack Dongarra's classic hairstyles right here: