Robert Aumann
A Nobel-winning mathematician who used game theory to explain why cooperation can emerge even among selfish actors, from nations to neighbors.
Born 1930 (age 96)·Israeli-American mathematician·Birthday: June 8·The Silent Generation
Biography
Robert Aumann transformed abstract mathematics into a powerful lens for understanding human conflict and cooperation. Fleeing Nazi Germany as a child, he found a intellectual home in game theory, the study of strategic decision-making. His groundbreaking work focused on repeated interactions, proving mathematically that long-term relationships—whether between countries or businesses—foster cooperation because defection carries future consequences. This insight, known as the 'folk theorem', reshaped economics, political science, and evolutionary biology. Based at the Hebrew University of Jerusalem for decades, Aumann also applied his rigorous models to the analysis of Talmudic puzzles and became a vocal, sometimes contentious, commentator on the Israeli-Palestinian conflict, arguing from his theoretical framework. His career stands as a testament to the power of pure logic to illuminate the messy realities of human society.
The Silent Generation
1928–1945
Born between the Depression and the end of WWII. Too young to fight, old enough to remember. They became the conformist middle managers of the 1950s — and the civil rights leaders who quietly dismantled Jim Crow.
Robert was born in 1930, placing them squarely in The Silent Generation. The events that shaped this generation — world wars, depression, and rapid industrialization — shaped the world they entered and the choices available to them.
#1 When Robert Was Born
The biggest hits of 1930
#1 Movie
All Quiet on the Western Front
Best Picture
All Quiet on the Western Front
Robert's Life & Times
The world at every milestone
1930Born
Pluto discovered
Gas: $0.20/galHome: $3,510President: Herbert Hoover"Body and Soul" — Paul WhitemanBest Picture: All Quiet on the Western Front
1935Started school
Social Security Act signed into law
Gas: $0.19/galHome: $3,450President: Franklin D. Roosevelt"Cheek to Cheek" — Fred AstaireBest Picture: Mutiny on the Bounty
1943Became a teenager
Allies invade Sicily; Battle of Stalingrad ends
Gas: $0.21/galHome: $3,290Min wage: $0.30/hrPresident: Franklin D. Roosevelt"I've Heard That Song Before" — Harry JamesBest Picture: Casablanca
1946Could drive
United Nations holds its first General Assembly
Gas: $0.21/galHome: $5,150Min wage: $0.40/hrPresident: Harry S. Truman"Prisoner of Love" — Perry ComoBest Picture: The Best Years of Our Lives
1948Could vote
Israel declares independence; Berlin Blockade begins
Gas: $0.26/galHome: $7,450Min wage: $0.40/hrPresident: Harry S. Truman"Twelfth Street Rag" — Pee Wee HuntBest Picture: Hamlet
1951Turned 21
First color TV broadcast in the US
Gas: $0.27/galHome: $7,925Min wage: $0.75/hrPresident: Harry S. Truman"Too Young" — Nat King ColeBest Picture: An American in Paris
1960Turned 30
Kennedy-Nixon debates become first televised presidential debates
Gas: $0.31/galHome: $11,900Min wage: $1.00/hrPresident: Dwight D. Eisenhower"Theme from A Summer Place" — Percy FaithBest Picture: The Apartment
1970Turned 40
First Earth Day; The Beatles break up
Gas: $0.36/galHome: $17,000Min wage: $1.60/hrPresident: Richard Nixon"Bridge over Troubled Water" — Simon & GarfunkelBest Picture: Patton
1980Turned 50
John Lennon shot and killed in New York
Gas: $1.19/galHome: $47,200Min wage: $3.10/hrPresident: Jimmy Carter"Call Me" — BlondieBest Picture: Ordinary People
1990Turned 60
Hubble Space Telescope launched; Germany reunifies
Gas: $1.15/galHome: $79,100Min wage: $3.80/hrPresident: George H.W. Bush"Hold On" — Wilson PhillipsBest Picture: Dances with Wolves
2000Turned 70
Y2K passes without incident; contested Bush-Gore election
Gas: $1.51/galHome: $119,600Min wage: $5.15/hrPresident: Bill Clinton"Breathe" — Faith HillBest Picture: Gladiator
2010Turned 80
Deepwater Horizon oil spill; iPad launched
Gas: $2.79/galHome: $147,800Min wage: $7.25/hrPresident: Barack Obama"Tik Tok" — KeshaBest Picture: The King's Speech
2026Age 96 today
Gas: $3.91/galPresident: Donald Trump
Key Achievements
- Awarded the 2005 Nobel Memorial Prize in Economic Sciences for his analysis of conflict and cooperation through game-theory modeling.
- Formalized the 'Folk Theorem' in game theory, which explains how cooperation can be sustained in long-term, repeated interactions.
- Elected to the United States National Academy of Sciences in 1985 for his distinguished contributions to mathematical economics.
- Founded the Center for the Study of Rationality at the Hebrew University of Jerusalem, a leading interdisciplinary research institute.
Did You Know?
He is an Orthodox Jew and has published papers applying game theory to the interpretation of the Talmud.
He was a classmate and close friend of John Nash, the subject of 'A Beautiful Mind', at the Massachusetts Institute of Technology.
He holds dual citizenship in Israel and the United States.
His son, Yisrael Aumann, is a well-known rabbi and Talmudic scholar in Israel.
“Peace is not the absence of war; it is the presence of justice, law, order — in short, of government.”
