Hangul, the only major writing system with a known inventor

[softwarebakery]

https://spacedaily.com/d-the-korean-alphabet-called-hangul-is-the-only-major-writing-system-in-human-history-with-a-known-inventor-and-a-documented-design-rationale-created-in-1443-by-king-sejong-of-the-joseon-dyn/