Korean alphabet, the most scientific letter

We have our own Alphabet, so called Hangul. This is consisted of 24 letters, which is four less than English alphabet. Hangul was created in 1443 by the great king Saejong of Lee dynasty as the name of Hoonminjungum. King Saejong wanted his people to have any other different letter from chinese one for them to speak, write and use easily. Because chinese letters, Hanmoon is very difficult for people to learn, write and use them. Hangul was designated as world record culture treasure in 1997. These letters are as following, ㄱ, ㄴ, ㄷ, ㄹ, ㅁ,ㅂ, ㅅ, ㅈ, ㅇ,ㅊ,ㅋ,ㅌ,ㅍ,ㅎ,ㅏ,ㅑ,ㅓ,ㅕ,ㅗ,ㅛ,ㅜ,ㅠ,ㅡ,ㅣ