I am definitely not part of the Richard Feynman Fandom, but one has to admit, he had a fabulous way of teaching.
Here is a prime example: about the nature of time (19 minutes).
Despite not having learned anything really new, I found it pretty eye-opening in its simplicity and clarity.
The target audience is not physicists, but people with a general interest in life, the universe and the whole rest.
Time Isn’t What You Think - Richard Feynman
YouTube