October 23, 1979. I was

October 23, 1979. I was in my bathtub in the wee hours of the morning, as naked as a cartoonist. I put two and two together, and voilà! Just two decades later, my book. (...)

Cartooning is creativity stripped down to its core, because it's removed from the real-world constraints (and consequences) that complicate other applications of the creative mind. It's a form of play which depends on spontaneity and, by extension, creativity.
The New Yorker: Q & A: The Naked Cartoonist. You can see a few pages of the book through that link up there.
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