Zain-Din al Amidi
From Wikipedia, the free encyclopedia
Zain-Din al Amidi was a blind scholar who lived in what is now Iraq in the 14th century. He is famous for inventing a system before braille that allowed him to study and recognize his books.
[edit] Source
http://www.muslimheritage.com/day_life/default.cfm?ArticleID=367&Oldpage=1