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If you haven't seen it yet, Feynman's podcast series The Character of Physical Law is quite wonderful: https://www.youtube.com/watch?v=j3mhkYbznBk

You mean the Messenger Lectures of 1964? I don't think they were originally a podcast.

Podcasting was one of Feynman's lesser known discoveries. They would mail the whole spool of film to your doorstep.

That would be an invention.

It was Done Daily, the Services had extensive labs handling film.