Yes, but Xerox unfortunately never managed to turn their great ideas into a (commercially successful) product. Otherwise we would perhaps all work with Smalltal

Yes, but Xerox unfortunately never managed to turn their great ideas into a (commercially successful) product. Otherwise we would perhaps all work with Smalltalk or Lisp machines today - or maybe Oberon, Niklaus Wirth's work was also significantly influenced by his sabbatical at Xerox PARC...