If you're like me (and frankly, the world would be a lot better off if you were), it bothers you when stuff in comic books (and movie treatments thereof) does not subscribe to the basic physical realm. Even little stuff, like when Peter Parker first learns he can scale walls because little filaments are growing out of his fingertips. That's fine, you think, but why can he still do it when he's wearing gloves and boots?
At any rate, if YouTube existed in 1975, there's a very good chance I would have wanted to be this man when I grew up:
There are three other snippets related to this one that are equally amusucational, and you can read a bit more about him here. He is also author of this book, which just jumped to the top of my "to read" list.
With luck, we'll all one day look askance when Superman moves the Empire State Building across the street.