We asked destiny consultant Master Raymond Lo, an expert in reading the I-Ching, the ancient Chinese "Book of Changes, " which of the top sports people bound for Beijing would be successful at the Olympics.

CNN: Reading the Olympians' fortunes

In the 20th century Colnaghi, under a succession of expert directors, became renowned for its Old Master drawings.

ECONOMIST: Dealing in Old Masters

Jim Childs, a master electrician and the top civilian expert in an Army safety survey, said problems were "everywhere" in Iraq, where 18 U.S. troops have died by electrocution since 2003.

CNN: 'Multiple' failures led to Iraq electrocution, Pentagon says

Master cynic Joe Queenan once cited an expert with an interesting take on those heartwarming tales of dolphins ferrying drowning swimmers back to shore.

FORBES: History Is Written by Winners

Martin Kemp, Emeritus Research Professor in the History of Art at Oxford University and a leading expert on Leonardo da Vinci, gives the careful estimate that there are probably no more than 20 paintings by the master in the world, which suggests there could be five more to be discovered.

CNN: Are there more lost Leonardo paintings out there?