Daniel Ellsberg, wonderful to work with. He deeply cared about archives and history.
The Internet Archive had the honor of scanning of many of his files in his house for a year and a half. (He was worried he might be raided when his book on nuclear war planning came out, which he regarded as important as the pentagon papers
https://openlibrary.org/works/OL34647116W/The_Doomsday_Machine )
https://archive.org/details/danielellsbergthank you, misha for all that work.