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Dr. Rajesh Ramayan “Raj” Koothrappali, Ph.D., is an astrophysicist and Howard Wolowitz’s closest friend.

Dr. Rajesh Ramayan “Raj” Koothrappali, Ph.D., is an astrophysicist and Howard Wolowitz’s closest friend.


He frequently hangs away at Leonard and Sheldon’s apartment, though he has got their very own apartment (the Raj Mahal) in Pasadena. Raj fell deeply in love with astronomy while attending Cam5 Originally from brand brand New Delhi, Raj has an Indian English accent and, ironically, dislikes food that is indian tradition. He usually portrays himself as having originate from modest origins and growing up in poverty in Asia, limited to their buddies to remind him that their dad is really a gynecologist, drives a Bentley, and has now home filled with servants. For the very first six periods, his major characteristic had been an instance of selective mutism anxiety that is social, which would not enable him to speak with females away from their household. This problem could possibly be suppressed through liquor (or he was drinking alcohol) or experimental social anxiety medications; however, the former usually ended up changing his personality, making him more obnoxious and overbearing, while the latter tended to have unpredictable side-effects if he thought.

Early life

Raj at 9 in Asia.

Rajesh Koothrappali was created on October 6, 1981 in brand new Delhi, Asia to Dr. V.M. Koothrappali and Mrs. Koothrappali. In the chronilogical age of 5 he discovered an object that is celestial later on ended up being the moon. He has also a younger cousin Priya, a cousin known as Adoot and additionally 2brothers and 1 other sibling. While growing up in Asia, he did not really enjoy it here and expanded to dislike their nation’s culture and food.

Later on, Raj left India and went to Cambridge University, England in the uk. While talking with their Lucy that is then-girlfriend claimed which he thought Cambridge University appeared to be Hogwarts. After graduating with a diploma in Astrophysics, he relocated to Pasadena, Ca There, he came across Howard Wolowitz whom became their closest friend and Howard’s mom made Raj feel welcome in their home. (he ended up being the gardener for two years. although she thought)

Raj and Howard meet Leonard and Sheldon’s brand brand new neighbor, Penny, whom quickly learns of Raj’s failure to talk with females (unless they may be in the family members). Halfway through the growing season, everyone else discovers that Raj can talk to a actually woman when you’re drunk or on medications, as evidenced whenever Penny provides him a cocktail while going right through club tending training.

Raj gets some glory after being showcased in “People Magazine”, and manages to utter a sober apology to Penny (as she forced him to).

Whenever Raj’s work strikes an end that is dead he starts doing work for Sheldon to keep their visa legitimate. He additionally become jealous when Leonard and Howard become too busy making use of their girlfriends to hold down.

Raj spends the season that is entire a crush on Bernadette (and even though she is with Howard) and it is upset whenever Leonard begins a relationship together with sibling while she actually is in the city. At the conclusion associated with the growing season, Raj and Penny become closer friends, to the position where they’ve an one-night stand.

Raj shows which they do Howard and Bernadette’s Wedding on top since he understands that being an astrophysicist that there’s a satellite above Pasadena, so that it can photograph the ceremony from room (“The Countdown expression”).

Raj begins a relationship by having a woman called Lucy (” The Tangible Affection Proof”), nonetheless they split up when he pushes her to meet up with his buddies.

In the end Raj gets over their selective mutism and it is now in a position to communicate with all ladies (“The Bon Voyage Reaction”).

Raj starts a relationship having a dermatologist, Emily Sweeney (“The Indecision Amalgamation”).

Raj continues to use Sheldon on black matter screening (“The Expedition Approximation”).

Then he begins to concern their relationship with Emily, wondering if she in fact is the proper individual for him (“The Commitment Determination”).

In “The Valentino Submergence”, he breaks up with Emily therefore that they can date Claire, but in “the program Deterioration”, he and Emily have actually gotten back once again together, as present in the final scene associated with the episode, when they’re both lying in her own sleep.

Raj isn’t any longer in a relationship, though he discovers a pastime in their workplace’s cleansing lady, Isabella. In “The Emotion Detection Automation”, it is revealed which he and Isabella have actually split up.

After it really is revealed that his daddy covers all their costs, Raj asks their daddy to cut him down. Raj then places Sheldon in control of their finances. He moves in with Leonard and Penny because he can’t afford his apartment. He relocated away in “The Gyroscopic Collapse” and remain along with their buddy Bert Kibbler’s storage.

He could be proved to be nevertheless residing in the apartment above Bert’s storage, along with working in the planetarium. He begins dating a lady known as Nell, nevertheless they have split up and she extends back to her estranged spouse.

Raj is nevertheless working part-time during the planetarium. He also asks his daddy to locate a spouse for him. Raj becomes involved to a female known as Anu. They later split up, get together again, as well as in “The Maternal Conclusion”, he chooses to relocate along with her to London and propose, but Howard convinces him otherwise, and Raj and Anu split up. Into the show finale, Raj attends the Nobel Prize ceremony with Sarah Michelle Gellar.

Dr. Rajesh Koothrappali is an astrophysicist and faculty user in Caltech’s Physics Department. He had been the main group to style this new Horizons room probe to get information concerning the Pluto system and past. For his breakthrough of a planetary item beyond the Kuiper gear, 2008 NQ17 ( which he calls “Planet Bollywood”), he could be contained in individuals mag’s “30 Under 30 to Watch”, giving him some kind of celebrity status and a more substantial workplace for their work. He could be additionally recognized for a book on Kuiper gear item size circulation, having run a simulation to fix when it comes to observational effectiveness, and ended up being awarded the Newcomb Medal. Their research also also includes looking for Trojan asteroids in the Earth-Sun L5 Lagrange point and a paper was written by him from the Van Allen belts. Nonetheless, the job Raj executes in the college is repeated sufficient which he could conceivably be changed by an easy software package, in which he doesn’t observe an exoplanet orbiting the celebrity Epsilon Eridani along with his much anticipated time utilizing a ground-based telescope running in Hawaii.

During “The Pirate Solution”, whenever Raj’s research testing the predicted structure of trans-Neptunian items stops, his working license and visa are bound in order to become void, as they’ve been just legitimate provided that he’s used. He seeks out research place in stellar evolution with Professor Laughlin. Nonetheless, the work idea fails since the research group includes an appealing feminine, Dr. Catherine Millstone, and Raj inadvertently drinks a tad too much liquor, causing him to produce a intimately explicit remark. To prevent Raj’s deportation to Asia, Sheldon asks him to get results he agrees for him and, after several disputes.

Attempting to function as the male “Indira Gandhi of particle astrophysics,” Raj researches dark matter. With Sheldon, he explores the sequence theory implications of gamma rays from dark matter annihilations and considers ways of optimizing a detector for 500 GeV particles to find the annihilation range caused by dark matter collisions in area. While Sheldon contends that slow-moving xenon does not produce light that is ultra-violet Raj posits that xenon can emit the tell-tale ultra-violet light from dark matter collisions, possibly negating a number of dark matter discoveries, and points to neutron scattering data.

In Season 11, he begins working during the Griffith Observatory as a presenter within the planetarium. He nevertheless continues this working task in Season 12.

In “The Conjugal Configuration”, Raj seems for a tv to discuss a shower that is meteor results in an online feud with Neil deGrasse Tyson.

In “The Decision Reverberation”, Raj gets concern about his just work at the Griffith Observatory. He had found a frequently spaced optical signature on an exoplanet and another regarding the explanations has been an indication of alien life. The viewers takes that because statement as does the news headlines news. At the office their peers make enjoyable of him. Later Raj attempts to explain that numerous things had been considered misconception then became proven such as the circular earth, germs, sub-atomic particles colonies on Mars, matter transporters, the Loch Ness monster, etc. the next thing he understands is the fact that press has him claiming that the Loch Ness monster Is genuine.


Initially from Asia, Raj is somewhat clueless about US tradition and idioms, and dislikes food that is indian their house nation. Sheldon also disputes his understanding of Indian traditions and Hinduism, and reveals Raj’s indigenous language is English, while he generally seems to speak fluentHindi. Raj stated that the main reason he places up with Sheldon is really so that he could possibly be reborn being a “well-hung billionaire with wings”, relating to their Hindu belief to be rewarded after reincarnation for enduring willingly; to Raj, karma is “practically Newtonian”. He hates Indian music; nevertheless, he does appreciate the Indian lullabies his mom sang to him, plus the catchiness of Hindi expressions, two pointed out phrases being “?? ?? ??? ??” – “whatever floats your motorboat;” and “Fever 104, ???? ????? ????? ?? ?????? ??. The expression means: Fever 104, house regarding the good present music.”