Computer scientist lead Apple on the famous tours of Xerox PARC, where Steve Jobs was exposed to ideas for Mac graphical user interface. Computer scientist and user interface guru Larry Tesler, a key figure at Apple during its early years, died Monday at the age of 74, according to Apple Insider. Tesler pioneered the concept of cut copy paste during his time at the Xerox Palo Alto Research Center in the 1970s. In the following two decades at Apple, he would be deeply involved in the user...

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