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John Harsanyi
John Charles Harsanyi (Hungarian: Harsányi János Károly; May 29, 1920 – August 9, 2000) was a Hungarian-American economist who spent most of his career at the University of California, Berkeley. He was the recipient of the Nobel Memorial Prize in Economic Sciences in 1994.
Harsanyi is best known for his contributions to the study of game theory and its application to economics, specifically for his developing the highly innovative analysis of games of incomplete information, so-called Bayesian games. He also made important contributions to the use of game theory and economic reasoning in political and moral philosophy (specifically utilitarian ethics) as well as contributing to the study of equilibrium selection. For his work, he was a co-recipient along with John Nash and Reinhard Selten of the 1994 Nobel Memorial Prize in Economic Sciences.
He moved to the United States in 1956, and spent most of his life there. According to György Marx, he was one of The Martians.
Harsanyi was born on May 29, 1920, in Budapest, Hungary, the son of Alice Harsányi (née Gombos) and Károly Harsányi, a pharmacy owner. His parents converted from Judaism to Catholicism a year before he was born. He attended high school at the Lutheran Gymnasium in Budapest. In high school, he became one of the best problem solvers of the KöMaL, the Mathematical and Physical Monthly for Secondary Schools. Founded in 1893, this periodical is generally credited with a large share of Hungarian students' success in mathematics. He also won the first prize in the Eötvös mathematics competition for high school students.
Although he wanted to study mathematics and philosophy, his father sent him to France in 1939 to enroll in chemical engineering at the University of Lyon. However, because of the start of World War II, Harsanyi returned to Hungary to study pharmacology at the University of Budapest (today: Eötvös Loránd University), earning a diploma in 1944. As a pharmacology student, Harsanyi escaped conscription into the Royal Hungarian Army which, as a person of Jewish descent, would have meant forced labor.
However, in 1944 (after the fall of the Horthy regime and the seizure of power by the Arrow Cross Party) his military deferment was cancelled and he was compelled to join a forced labor unit on the Eastern Front. After seven months of forced labor, when the German authorities decided to deport his unit to a concentration camp in Austria, John Harsanyi managed to escape and found sanctuary for the rest of the war in a Jesuit house.
After the end of the war, Harsanyi returned to the University of Budapest for graduate studies in philosophy and sociology, earning his PhD in both subjects in 1947. Then a devout Catholic, he simultaneously studied theology, also joining lay ranks of the Dominican Order. He later abandoned Catholicism, becoming an atheist for the rest of his life. Harsanyi spent the academic year 1947–1948 on the faculty of the Institute of Sociology of the University of Budapest, where he met Anne Klauber, his future wife. He was forced to resign the faculty because of openly expressing his anti-Marxist opinions, while Anne faced increasing peer pressure to leave him for the same reason.
Harsanyi remained in Hungary for the following two years attempting to sell his family's pharmacy without losing it to the authorities. After it became apparent that the communist party would confiscate the pharmacy in 1950, he fled with Anne and her parents by illegally crossing the border into Austria and then going to Australia where Klauber's parents had some friends.
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John Harsanyi
John Charles Harsanyi (Hungarian: Harsányi János Károly; May 29, 1920 – August 9, 2000) was a Hungarian-American economist who spent most of his career at the University of California, Berkeley. He was the recipient of the Nobel Memorial Prize in Economic Sciences in 1994.
Harsanyi is best known for his contributions to the study of game theory and its application to economics, specifically for his developing the highly innovative analysis of games of incomplete information, so-called Bayesian games. He also made important contributions to the use of game theory and economic reasoning in political and moral philosophy (specifically utilitarian ethics) as well as contributing to the study of equilibrium selection. For his work, he was a co-recipient along with John Nash and Reinhard Selten of the 1994 Nobel Memorial Prize in Economic Sciences.
He moved to the United States in 1956, and spent most of his life there. According to György Marx, he was one of The Martians.
Harsanyi was born on May 29, 1920, in Budapest, Hungary, the son of Alice Harsányi (née Gombos) and Károly Harsányi, a pharmacy owner. His parents converted from Judaism to Catholicism a year before he was born. He attended high school at the Lutheran Gymnasium in Budapest. In high school, he became one of the best problem solvers of the KöMaL, the Mathematical and Physical Monthly for Secondary Schools. Founded in 1893, this periodical is generally credited with a large share of Hungarian students' success in mathematics. He also won the first prize in the Eötvös mathematics competition for high school students.
Although he wanted to study mathematics and philosophy, his father sent him to France in 1939 to enroll in chemical engineering at the University of Lyon. However, because of the start of World War II, Harsanyi returned to Hungary to study pharmacology at the University of Budapest (today: Eötvös Loránd University), earning a diploma in 1944. As a pharmacology student, Harsanyi escaped conscription into the Royal Hungarian Army which, as a person of Jewish descent, would have meant forced labor.
However, in 1944 (after the fall of the Horthy regime and the seizure of power by the Arrow Cross Party) his military deferment was cancelled and he was compelled to join a forced labor unit on the Eastern Front. After seven months of forced labor, when the German authorities decided to deport his unit to a concentration camp in Austria, John Harsanyi managed to escape and found sanctuary for the rest of the war in a Jesuit house.
After the end of the war, Harsanyi returned to the University of Budapest for graduate studies in philosophy and sociology, earning his PhD in both subjects in 1947. Then a devout Catholic, he simultaneously studied theology, also joining lay ranks of the Dominican Order. He later abandoned Catholicism, becoming an atheist for the rest of his life. Harsanyi spent the academic year 1947–1948 on the faculty of the Institute of Sociology of the University of Budapest, where he met Anne Klauber, his future wife. He was forced to resign the faculty because of openly expressing his anti-Marxist opinions, while Anne faced increasing peer pressure to leave him for the same reason.
Harsanyi remained in Hungary for the following two years attempting to sell his family's pharmacy without losing it to the authorities. After it became apparent that the communist party would confiscate the pharmacy in 1950, he fled with Anne and her parents by illegally crossing the border into Austria and then going to Australia where Klauber's parents had some friends.