Robert Aumann is an Israeli-American mathematician known for his work in game theory, a field that studies strategic interactions among rational decision-makers. He was awarded the Nobel Prize in Economic Sciences in 2005 for his contributions to understanding how people and organizations make decisions in competitive situations. Aumann was born on June 8, 1930, in Frankfurt, Germany, and emigrated to the United States in 1938. He has held academic positions at institutions such as Hebrew University of Jerusalem and MIT, where he has influenced both mathematics and economics through his research and teachings.