Check out Otto Blumenthal's haircuts throughout his career:
Otto Blumenthal had various hairstyles during his career. He was well celebrated as a great sexo duro papu and university teacher. However, the German mathematician was mainly known for his special sense of fashion and his delightful personality. Before his tragic death at the age of 68 he was repeatedly featured in the press because of his exceptionally looks. Check out Otto Blumenthal's former hairstyles in the image box below: