New Zealand vista by Bernie Gunn (click for larger view)
Bernie sent me this shot from the cockpit of his airplane. We've exchanged a lot of emails exploring the potential of Python for scientific data visualization, an area in which he has special expertise.
Sometimes, Bernie would send me something in Pascal (a language he knows well), and I'd rewrite it in Python, coupled with some visualization tool (maybe Tk or PIL) and send it back. That's a good process for learning a language (read translations).
Bernie documented some results of our collaboration at his web site (scroll down to the Python section -- you'll see my name), as I'm likewise now doing.