https://www.siliconvalley.com/2020/02/20/larry-tesler-pc-legend-who-created-cut-copy-and-paste-commands-dies-at-74/

Larry Tesler, the former Xerox Palo Alto Research Center and Apple computer scientist best-known for creating the cut, copy and paste commands for personal computers, died earlier this week. He was 74 years old.

Tesler got his start in the Silicon Valley computer industry in the 1960s, and joined Xerox PARC in 1973. It was at Xerox PARC where Tesler development the cut, copy and paste commands technology that would eventually become part of everyday usage in personal computers.