Check out Fran Jesenko's haircuts throughout his career:
Fran Jesenko had many different hairstyles during his lifetime. He was widely recognized as an outstanding botanist and geneticist. However, the Slovene botanist and geneticist was mainly known for his incomparable looks and his pleasant character. Before his tragic death at the age of 57 he was again and again featured in the press due to his outstanding hair and looks. Check out Fran Jesenko's former hairstyles right here: