# Irun Cohen

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**Irun Cohen** (Hebrew: עירון כהן; born September 1, 1937, in [Chicago, Illinois](/source/Chicago,_Illinois)) is an [immunologist](/source/Immunologist) at the [Weizmann Institute of Science](/source/Weizmann_Institute_of_Science), Israel.[1] He moved from the U.S. to Israel in 1968.

His contributions to immunology includes, in 1989, the development of the theory of the [immunological homunculus](/source/Immunological_homunculus), a hypothetical self-image used by the immune system to govern its responses. The bulk of Professor Cohen's work is in the search for treatment for autoimmune disease.[citation needed] Throughout his career he has collaborated with scientists of all nationalities, including the Cuban immunologist Enrique Montero.[citation needed] Cohen is currently the Israeli scientist with the second (first is Leo Sachs) largest number of publications in the journals of Science and Nature.[citation needed]

## Early life and education

Cohen studied philosophy at [Northwestern University](/source/Northwestern_University) obtaining a Bachelor of Arts in 1959. He studied medicine at Northwestern Medical School obtaining a degree in medicine in 1963.[2]

## References

1. ["Irun R. Cohen; Dept. of Immunology"](http://www.weizmann.ac.il/immunology/iruncohen/). Weizmann Institute of Science. Retrieved 3 June 2011.

1. ["Author Biography for Irun R. Cohen"](http://www.elsevierdirect.com/author.jsp?authorcode=1001530). Elsevier. Retrieved 3 June 2011.

## External links

- ["Irun Cohen: Executive Profile & Biography"](https://web.archive.org/web/20121013091132/http://investing.businessweek.com/research/stocks/private/person.asp?personId=25915525&privcapId=27619120&previousCapId=749390&previousTitle=Columbine%20Ventures). *BusinessWeek.com*. Bloomberg. Archived from [the original](http://investing.businessweek.com/research/stocks/private/person.asp?personId=25915525&privcapId=27619120&previousCapId=749390&previousTitle=Columbine%20Ventures) on October 13, 2012. Retrieved 3 June 2011.

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