His heart belongs to Mad magazine, which he has collected off and on since he was a 9-year-old.

FORBES: What, Him Worry?

It was an almost Bruegelian journey into some kind of mad heart of darkness, and it thrilled me in a panicky sort of way.

CNN: From Our Correspondent: A Calcutta Rose Garden

The heart has its reasons, the reasons drive us mad, and his task is to forge a style from the result.

NEWYORKER: A Girl Cut in Two

That was the start of the famous Gold Rush, which ruined Marshall's employer, a landowner named John Sutter whose property in what is now the heart of metropolitan Sacramento was overrun by gold-mad prospectors.

ECONOMIST: Urban sprawl