Louis Braille, born on January 4, 1809, in Coupvray, France, revolutionised accessibility for the visually impaired with his ingenious tactile writing system. Louis, who lost his vision at the age ...

By 1824, aged 15 years old, Louis had already found 63 ways to use a six-dot cell in an area no bigger than a fingertip. Two years after his death, his code, now referred to as braille ...