When1: 1821
When2: 1829
Who: Louis Braille [Braille, Louis]
What: inventor
Where: France
works\ Braille [1821 to 1829]
Detail: He lived 1809 to 1852. He invented a printing and writing system using six dots, in two vertical lines of three raised dots each, to represent 63 characters and allow blind people to read by touch {Braille} [1821 to 1829].
Social Sciences>Linguistics>History>Invention
6-Linguistics-History-Invention
Outline of Knowledge Database Home Page
Description of Outline of Knowledge Database
Date Modified: 2022.0224