Check out Constant Vincent Houlbert's haircuts throughout his career:
Constant Vincent Houlbert had various haircuts during his lifetime. He was widely recognized as a world-class entomologist. However, the French entomologist was specially known for his beautiful fashion sense and his livable character. Before his tragic death at the age of 90 he was often in the spotlight of tabloids due to his outstanding hair and looks. Check out Constant Vincent Houlbert's classic haircuts in the image box below: