That wikipedia page links to a great note by Jef on his vision, which is what I remember him describing on a couple of occasions. He was working on it pretty m

That wikipedia page links to a great note by Jef on his vision, which is what I remember him describing on a couple of occasions. He was working on it pretty much to the end of his life as far as I know. https://www.apple-history.com/gui_raskin2 https://www.apple-history.com/gui_raskin2