The origin of the graphical user interface was actually elswhere. The https://en.wikipedia.org/wiki/Semi-Automatic_Ground_Environment https://en.wikipedia.org/w

The origin of the graphical user interface was actually elswhere. The https://en.wikipedia.org/wiki/Semi-Automatic_Ground_Environment https://en.wikipedia.org/wiki/Semi-Automatic_Ground_Environm... system had a display system with a "graphical user interface" and a "ligth gun" (i.e. pointing device) by 1958; also e.g. https://en.wikipedia.org/wiki/Sketchpad https://en.wikipedia.org/wiki/Sketchpad had similar features in 1963; but these were CRT displays with vector drawings. The Alto in 1973 in contrast had a bitmaped screen and the first GUI following a desktop metapher (see e.g. https://www.microsoft.com/en-us/research/publication/alto-personal-computer/?from=http%3A%2F%2Fresearch.microsoft.com%2Fen-us%2Fum%2Fpeople%2Fblampson%2F25-alto%2F25-alto.pdf https://www.microsoft.com/en-us/research/publication/alto-pe... or http://bwlampson.site/38-AltoSoftware/Abstract.html http://bwlampson.site/38-AltoSoftware/Abstract.html).