Once in a while, people manage to surprise me. And it is a most pleasant experience when people are able to surprise me when I already thought they're great in the first hand.
As a huge fan of Monty Python, their shows and their films, I knew John Cleese. One of the best comedy actors and writers out there. However, when I came across an article about creativity, I found this talk of John Cleese where he talks serious stuff about creativity:
So: he's not only a great comedian but he also is able to give extraordinary talks about scientific content as well.