**José Val del Omar** (Granada 1904 - Madrid 1982) PLAT — Picto-Luminic-Audio-Tactile [home page](http://www.valdelomar.com/home.php?lang=en) [wikipedia](https://en.wikipedia.org/wiki/Jos%C3%A9_Val_del_Omar) [Vimeo](https://vimeo.com/josevaldelomar)