The first Apple Mac owes it's GUI & mouse to the Xerox Alto personal computer.
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"Opened in 1970, PARC was a pioneering developer of technologies like the graphic user interface(#GUI) , #LaserPrinting and #Ethernet networking. PARC has recently been doing work in areas like #ArtificialIntelligence, the #InternetOfThings, #CleanTech and #3DPrinting."

#Xerox Gives Legendary PARC Lab to #SRI International | Xerox Palo Alto Research Center #Smalltalk
https://www.msn.com/en-us/news/technology/xerox-gives-legendary-parc-lab-to-sri-international/ar-AA1ai6vS