Tactile alphabets

writing system for the blind

inventor of raised-point writing

Islamic scholar

alphabetic system for writing material that the blind can read by touch

tactile alphabet invented by Charles Barbier de La Serre on which braille is based

thumb|A sample of decapoint. The relative efficiency of braille can be seen, as the line at the bottom is the braille transcription for the first two lines of decapoint: je vous prie de commander une planche pour la grille ci-jointe thumb|The decapoint alphabet, digits, and punctuationthumb|

British physician (1824–1890)