The ratio, devised by a Nobel prize winning economist, looks at the relationship between investment returns and their variability.
He writes with insight and authority about the giants of Polish literature, Adam Mickiewicz from the 19th century and Czeslaw Milosz, the Nobel-prize winning poet who died in 2004.
Winner: Splashing, the grand prize winning photo as well as Nature category winner, was taken in the city of Batam in Indonesia's Riau Islands.
In that hushed moment I recognized the makings of a prize winning news photograph.
Nobel-prize winning novelist Toni Morrison and golfer Lorena Ochoa are among 12 other women who will also be celebrated at the glamorous event.
The cowboy led in his prize winning Bull.
