Korea's Hangul is the world's only alphabet where every consonant is shaped like the mouth that pronounces it, and the only major writing system with a known inventor

• King Sejong statue at Gwanghwamun Square – a modern tribute to Hangul's creator (Left).
• Most writing systems evolved gradually over centuries, making it impossible to identify who invented their letters.
• Nobody knows who created A, B or C, or the original forms of most scripts still used today.