Actually, the guy who wrote the first GUI wrote it for the Atari ST4, he then went on to develop Apple's GUI which, in the beginning, was extremely similar to the Atari GUI. Where his ideas came from, I can't say. I only know that Atari was the first to have a very primitive GUI. And I only know that because my first computer was an Atari ST4 and I studied the history of Atari computing. The only reason there aren't Atari computers now (tho many people still use the ST4s) is because Atari screwed the pooch big time. They created the 64 bit Jaguar gaming console, and got it into all the walmarts and kmarts and stuff, but oops, they forgot to develop anygames for it. The failure of the Jaguar bankrupted them, and the company was purchased by the owners of Commodore. Yeah that was a good deal lol. The Atari ST4 was actually a rather good machine, for its time. More what we think of as a genuine computer than the Commodore and other machines were at the time. And yes, the GUI did open up primitive windows.

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