Leonid `` Leo '' Hurwicz ( Russian : Леони́д Гу́рвич ; August 21 , 1917 - June 24 , 2008 ) was an economist and mathematician , born in Moscow .
Leonid Hurwicz ( August 21 , 1917 - June 24 , 2008 ) was an American economist , mathematician , and winner of the 2007 Nobel Prize in Economics .