Check out Karl Friedrich Wilhelm Jessen's haircuts throughout his career:
Karl Friedrich Wilhelm Jessen had a variety of different haircuts during his career. He was most known as an outstanding botanist and university teacher. Nevertheless, the German botanist was mainly known for his unusual fashion sense and his charming character. Before his tragic demise at the age of 68 he was often featured in magazines and tabloids because of his superb hair. Check out Karl Friedrich Wilhelm Jessen's classic haircuts right here: