Robert J. Aumann - Robert J. Aumann together with his wife at the 5th Meeting on Economic Sciences. Robert J. Aumann - Robert J. Aumann holding his lecture 'Collectives as Individuals' at the 5th Meeting on Economic Sciences. Robert Aumann - Discussion session with Laureate Robert Aumann Robert Aumann - Lecture: 'Challenging Nash Equilibrium: Rational Expectation in Games' by Robert Aumann Robert Aumann - Robert Aumann (Laureate, Economic Sciences 2005) Robert Aumann - Christian Wulff (President of the Federal Republic of Germany) and Robert Aumann (Laureate, Economic Sciences 2005)