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Raj Koothrappali

fictional character on the television series The Big Bang Theory

Manuscripts, fine bindings, an engraving plate and preserved performance ephemera
Arts and lettersInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionSep 22, 2026
Entity authorityQ653748 ↗
Source-derived summary

Rajesh Ramayan "Raj" Koothrappali, Ph.D. is a fictional character and one of the protagonists of the CBS television series The Big Bang Theory, portrayed by British-Indian actor Kunal Nayyar. He is one of four main male characters in the show to appear in every episode of The Big Bang Theory, alongside Sheldon Cooper, Leonard Hofstadter and Howard Wolowitz. Raj is based on a computer programmer that the show's co-creator, Bill Prady, knew when he was a programmer.

Character biography

In the series, Raj is Howard's best friend. They have what Nayyar calls a "bromance".

Raj works as an astrophysicist in the Physics Department at Caltech. It was revealed in "The Monster Isolation" that Raj did at least part of his higher education at the University of Cambridge, where he discovered his interest in astrophysics.

He had selective mutism, which did not allow him to talk to women outside of his family unless he was under the influence of alcohol (or medication), until the season 6 finale.

Rajesh, who is normally called Raj or just by his surname Koothrappali, is from New Delhi, India. However, he despises Indian food, and his knowledge about Indian culture and Hinduism is often rebuked by Sheldon, who is seen to speak better Hindi than him (although this is contradicted by earlier episodes, in which Raj is shown speaking Hindi to the incomprehension of his friends, Sheldon included).

Editorial summary

The public source identifies “Raj Koothrappali” as fictional character on the television series The Big Bang Theory. This brief keeps that definition visible, then builds a research path around Koothrappali, fictional and character.

Editorial reviewA productive route into publication, performance and collection histories when the underlying object or edition remains clearly identified. The current 232-word lead offers orientation but no explicit four-digit date, so chronology should not be assumed. The linked authority record independently contributes the date 1981-10-06. Its value is orientation rather than verdict, with Koothrappali, fictional and character providing the first useful test.
Editorial analysis

Why this record matters

A short description can identify a subject without explaining its stakes. For “Raj Koothrappali”, the useful work is to connect “fictional character on the television series The Big Bang Theory” to the records capable of establishing context and consequence.

Evidence profile

Reception evidence should be dated and situated: later canonical status may differ sharply from the work’s initial circulation. The source revision retrieved here is dated Sep 22, 2026. The linked authority identifier is Q653748. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank.

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Titles can refer to several editions, objects or performances, making precise identification essential before interpretation. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

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Source & attribution

This entry incorporates text from “Raj Koothrappali” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.