Excellent, excellent essay. There's even something for people seeking money (but you should read it even if you aren't):
This was a typical Richard Feynman explanation. On the one
hand, it infuriated the experts who had worked on the
problem because it neglected to even mention all of the
clever problems that they had solved. On the other hand,
it delighted the listeners since they could walk away from
it with a real understanding of the phenomenon and how it
was connected to physical reality.
