Some of the Office team early developers were ex-Xerox researchers.
I haven't mentioned them, because they aren't well know outside Xerox PARC archeology.
He later wrote Microsoft Word, and other parts of what became MS Office, at Microsoft, where he was Chief Architect:
https://en.wikipedia.org/wiki/Charles_Simonyi
He designed what is now called Hungarian Notation:
https://en.wikipedia.org/wiki/Hungarian_notation
Word uses the famous piece table data structure -- also from PARC -- which is how "fast saves" work.
https://web.archive.org/web/20160308183811/http://1017.songt...
As a result Simonyi is a billionaire and was the first ever two-time space tourist:
https://www.theguardian.com/world/2009/mar/26/space-tourist-...
You could justifiably say that he and his work are quite famous. (!)
https://citeseerx.ist.psu.edu/document?repid=rep1&type=pdf&d...
Some of the Office team early developers were ex-Xerox researchers.
I haven't mentioned them, because they aren't well know outside Xerox PARC archeology.