Kevin Cheng is an illustrator/cartoonist/human-computer interface designer/hmmm, probably could think of a few more. In particular, he's a big advocate of the use of comic strips in many contexts, including as a tool for designing computer user experiences. He blogs about this, and much else, at http://kevnull.com.
He's also posted about his upcoming presentations on the use of comics at Rosenfeld.com. The first is at VizThink, the conference on visual thinking. Doesn't that sound cool? It's next week, Feb. 22-25, in San Jose. I'm afraid I won't be able to be there, but it certainly sounds interesting. But the really cool thing is that VizThink is intended to be an on-going community, not just a one time, or even annual, conference. You can read more about it here.
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53 minutes ago