Check out Carl Robert Osten-Sacken's haircuts throughout his career:
Carl Robert Osten-Sacken had various haircuts during his lifetime. He became famous as a world-class biologist, diplomat and entomologist. However, the Russian entomologist and diplomat was specially known for his unique sense of fashion and his adorable character. Before his tragic demise at age 78 he was again and again featured in the press due to his superb looks. Check out Carl Robert Osten-Sacken's former looks right here: