Check out Esprit Requien's haircuts throughout his career:
Esprit Requien had many different hairstyles during his career. He reached fame as a world-class botanist and paleontologist. Nevertheless, the French naturalist was specially known for his beautiful sense of fashion and his delightful personality. Before his demise at age 63 he was repeatedly featured in the press due to his superb hair. Check out Esprit Requien's former and current looks in the image gallery right here: