# Literatur

## [Visual Programming Languages: A Survey (1997)](vpl.pdf)
Visual Programming Languages -> VPLs

## [PYGMALION: A Creative Programming Environment (1975)](https://worrydream.com/refs/Smith_DC_1975_-_Pygmalion.pdf)
by David Canfield Smith, inventor of Icons and one of the pioneers of the modern GUI

People remember things in terms of pictures
Images are the primary component of creative thought