Robert John (Yisrael) Aumann is an Israeli-American mathematician and a professor at the Center for the Study of Rationality in the Hebrew University of Jerusalem. Aumann received the Nobel Prize in Economics in 2005 for his work on conflict and cooperation through game-theory analysis. He shared the prize with Thomas Schelling.
Our Voice of the Fortnight is Haviv Rettig Gur on the Dan Senor Podcast, Call me back - Is Israel Winning?