I'm surprised that the Feynman Diagram didn't make the list. It's not a specific diagram, but it's certainly the best example of a more recent diagram that has

I'm surprised that the Feynman Diagram didn't make the list. It's not a specific diagram, but it's certainly the best example of a more recent diagram that has had profound impact on the way we view quantum interactions. http://en.wikipedia.org/wiki/Feynman_diagram http://en.wikipedia.org/wiki/Feynman_diagram