ルイ・ブライユ (Louis Braille)

今朝、Googleを見たらまたまた不思議なロゴが。
"Happy Birthday Louis Braille!" とあります。

Louis Brailleって誰だろう？
ロゴは何となく点字のようです。

Wikipediaより引用します。

Portrait of Louis BrailleLouis Braille (January 4, 1809 - January 6, 1852) was the inventor of braille[*1], a world-wide system used by blind and visually impaired people for reading and writing. Braille is read by passing one's fingers over characters made up of an arrangement of one to six embossed points. It has been adapted to almost every known language.

inventor: 考案者
impaired: 障害のある

[*1] 点字を表す言葉は多くの国で、彼の名前から Braille と呼ばれるのだそうです。