Xerox PARC has certainly been influential: "The Alto software included four different programming environments: BCPL, Mesa, Smalltalk, and Lisp."
https://computerhistory.org/blog/xerox-alto-source-code/
https://computerhistory.org/blog/the-deep-history-of-your-ap...
And the creative spirit is what brings innovation. Tons of what's obvious now wasn't obvious when someone created it.