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**Paul Joseph Cohen (1934-2007)**

Paul Joseph Cohen was a famous mathematician of modern times. He was an American. Like all the Jewish background families of America, he too had an immigrant past. Paul’s family is from Poland and was forced to leave their motherland due to their religious beliefs. Mr. Cohen is known for his contributions to mathematics like the axiom of choice and continuum hypothesis.

**Time and Place of Birth **

Joseph was born on 12th April 1934, in Long Branch of New Jersey of the United States.

**Life history and Career **

Paul’s parents were Abraham Cohen and Minnie Cohen. He was the youngest child of his parents. Cohen spent his childhood in Brooklyn, New York. He showed his brilliance in maths early in his teenage years. Cohen studied in a local school in New York named Stuyvesant High School.

Paul became a graduate in 1950. In the same year, Joseph took admission to Brooklyn College but didn’t get a degree and leave the college in between studies.

After that in 1954, he got his master’s degree from Chicago. In 1957 he became an instructor of maths at the University of Rochester. After a year he went to the Massachusetts Institute of technology. Again after a year, he switched to the institute for advanced studies, Princeton as a fellow.

Paul became an assistant professor of mathematics at Stanford University in 1961. After a year of it, he got the promotion as an associate and a research fellowship.

He was a participant in the international congress of mathematics held in Stockholm in 1962. During this trip, he met his future wife Christina Karls. They married on October 10 of 1963 and had three children.

In 1966 he published one of his major works set theory and continuum hypothesis. After that, he got a Fields medal in the same year for his work. Mr. Cohen is an honorable member of the National Academy of Science and the American Academy of Arts and Science.

Paul was a foreign member of the London Mathematical Society. In 1972 at Stanford Joseph was named Marjorie Mhoo fair Professor in Quantitative science and he was the first person to be selected for this. In 2004 Mr. Cohen called his retirement but continued teaching at Stanford until his last breath.

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**Death **

Paul Cohen died on 23rd March 2007, because of lung disease at Stanford Hospital in Palo Alto.

**Contribution to mathematics **

**Axiom of choice **

Axiom of choice is an axiom in which, in any collection of sets, one can construct a new set containing an element from each set in the original collection.

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**Continuum hypothesis **

This hypothesis is about possible sizes of infinite sets.

**Interesting facts about Paul Joseph Cohen **

- Apart from being a mathematician, you can say he is an amateur musician. He was a member of the Swedish Folk group and a good singer. Paul played the piano and violin very well.
- Mr. Cohen was a multilingual person. He had equal command on Swedish, German, French, Spanish, and Yiddish languages.

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**Awards **

**1964 Bocher Memorial Prize****1966 Fields Medal****1968 National Medal of Science for Mathematics and Computer Science****1969 Guggenheim fellowship of Natural Sciences, US and Canada**

**Books written by Paul J. Cohen **

- Set theory and continuum hypothesis

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**FAQ **

**How did Paul Cohen die?**

Because of Lung Disease

**What did Paul Cohen do?**

He was an American Mathematician.

**Where was Paul Cohen born?**

Long Beach, New Jersey, America.

**Who won in Cohen vs California state?**

Cohen, after his appeal to the supreme court.

**See also **

Paul Cohen was an immigrant American Scientist. This country is best in this like sugar cubes in the water. Anybody can come and fulfill his dreams.