It's a bit silly to claim that outside of Oberon, all modern graphical UIs are descended from the Lisa. Unix and its many variations were very active in the early 1980s, and there were non-Lisa sophisticated window systems emerging around the same time as the Apple Lisa.
I remember seeing Oberon in the late 1980s, running on a Sun workstation which supported the SunView and X10 - simultaneously (at the time, we'd figured out how to run SunView in the color buffer and X10 in the overlay buffer, configured to be a separate virtual screen). In those three environments, I feel little could be ascribed to the Lisa, but much to PARC.
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It's a bit silly to claim that outside of Oberon, all modern graphical UIs are descended from the Lisa. Unix and its many variations were very active in the early 1980s, and there were non-Lisa sophisticated window systems emerging around the same time as the Apple Lisa.
I remember seeing Oberon in the late 1980s, running on a Sun workstation which supported the SunView and X10 - simultaneously (at the time, we'd figured out how to run SunView in the color buffer and X10 in the overlay buffer, configured to be a separate virtual screen). In those three environments, I feel little could be ascribed to the Lisa, but much to PARC.