"And that they did, which saw through the creation of the impressive array of technologies invented at PARC which were the foundations for much of personal comp

"And that they did, which saw through the creation of the impressive array of technologies invented at PARC which were the foundations for much of personal computing and programming as we know it today, including: •Laser Printers •Object Oriented Programming / Smalltalk •Personal Computers •Ethernet / Distributed Computing •GUI / Mouse / WYSIWYG" The work done at PARC was clearly influential, but mostly as a refinement of what came before. They were clearly building on the work of Engelbart and his team at Stanford. In fact, if I remember correctly, some members of that team ended up working at Xerox PARC. In case this is new information to anyone, search on Google for 'The Mother Of All Demos'.