Check out Paul Constant Billot's haircuts throughout his career:
Paul Constant Billot had many different hairstyles during his career. He reached fame as a world-class botanist. However, the French botanist was mainly known for his incomparable appearances and his delightful personality. Before his death at age 67 he was frequently featured in magazines and tabloids due to his superb hair. Check out Paul Constant Billot's famous looks right here: