Karl Albrecht - $23.5 billion: On Wednesday, Forbes released their list of 'The World's Billionaires.' With his brother Theo, Karl Albrecht is one of the owners of Aldi Sud, one of Germany's dominant grocers. The 10th richest man in the world, Albrecht is retired from daily operations and fiercely private. Shown here is a branch of the German supermarket chain, Aldi, in Berlin.
PHOTO: Newscom