To celebrate the hundredth anniversary of his 1852 death, his body was exhumed and reburied in the French Pantheon. His contribution: a system of 3*2 dot cells. Who was he?
Answer: Louis Braille, creator of the Braille writing system.
You may not be getting all you can out of your browsing experience
and may be open to security risks!
Consider upgrading to the latest version of your browser or choose on below: