Theo Albrecht Jr. and the heirs of his brother, Berthold, inherited one of the world's great retail fortunes, which grew from a corner grocery store in Essen, Germany, started in 1913. After World War II, their father, Theo Sr., along with his brother, Karl, took over the store and propagated the discount revolution in German retailing -- building their Aldi supermarket chain based on a no-frills,