And once they get out, usually due to painful losses, they tend to stay away from another relationship with the market for very long periods, like those who have been on the sidelines since the big bear market plunge of 2008 and early last year, not enticed back in for even part of the new bull market that began early last year.

FORBES: Riding The Rallies And Shorting The Slides In A Big, Long Bear Market

After gorging on bear meat, the expedition's scientists bring back evidence that helps prove the controversial theory of continental drift, which gives rise in due course to the science of plate tectonics, which explains why it was that Krakatoa blew itself up--and will do so again, in eons hence.

FORBES: Don't Go Near The Volcano

The top lot will be Shepard's drawing for A.A. Milne's "Winnie-the-Pooh, " "Here is Edward Bear, coming downstairs now, bump, bump, bump, on the back of his head, behind Christopher Robin" (1926).

WSJ: Collecting: Revisit Childhood Friends at London Auctions