Louis Braille
... that Louis Braille's reading system for the blind was inspired by methods developed by both Valentin Haüy and Charles Barbier?
... that <b id="mwAkk"><a href="./Louis_Braille" id="mwAko" rel="mw:WikiLink" title="Louis Braille">Louis Braille</a></b><span about="#mwt19" class="nowrap" data-mw='{"parts":[{"template":{"target":{"wt":"`s","href":"./Template:`s"},"params":{},"i":0}}]}' id="mwAks" typeof="mw:Transclusion"><span typeof="mw:Entity">'</span>s</span> reading system for the blind was inspired by methods developed by both <a href="./Valentin_Haüy" id="mwAkw" rel="mw:WikiLink" title="Valentin Haüy">Valentin Haüy</a> and <a href="./Charles_Barbier" id="mwAk0" rel="mw:WikiLink" title="Charles Barbier">Charles Barbier</a>?