I saw a video somewhere of a guy at a computer group meeting demonstrating a computer with GUI, mouse, icons, point and click. Late 60s or early 70s
That was probably Doug Englebart. His work was the basis of what the guys at PARC put into the design of the Alto’s GUI. While lots of people at PARC had Altos, it was never made for commercial sale. Xerox tried to come to the game late with the Star, but it was a half hearted effort and failed as a product.
Probably not