Leonard Nimoy
Leonard NimoySeth Green/Instagram

Legendary actor Leonard Nimoy, famous for his role as "Spock" in the Science fiction TV series and movie saga "Star Trek", passed away on Friday, 27 February at his home in Bel Air, Los Angeles. He was 83.

He was suffering from chronic obstructive pulmonary disease, according to his family members.

In 2014, Nimoy had said his lung disease was due to his smoking habit.

Days before his death, on 23 February, the actor had tweeted:

US President Barack Obama, Shah Rukh Khan, Priyamani, Seth Green, Patrick Stewart and many other celebs paid tributes to the legendary actor.

Check out reaction of the celebs below:

Barack Obama

"Long before being nerdy was cool, there was Leonard Nimoy." —President Obama #LLAP

Dr Sriram Nene

Am sad that Leonard Nimoy passed on. Star Trek defined a whole generation of sci fi fans and as Spock, he was an icon. RIP

Shirish Kunder

#RIPLeonardNimoy Did you know Leonard Nimoy was the only member of the original cast to reprise his role in the 2009 Star Trek reboot?

Priyamani

RIP #Spock !!!cannot believe that THE SPOCK is not amongst us!Thank u for making Spock alive through you!RIP mr Nimoy!!

Patrick Stewart

It is with sadness that I heard of Leonard Nimoy's death. I was lucky to spend many happy, inspiring hours with him. He won't be forgotten. Elijah Wood Live long and prosper. So long, Mr. Nimoy.

Seth Green

Well done, sir. Many thanks for all you gave us. You'll be greatly missed & forever remembered.

Dana Delany

I first fell for @TheRealNimoy when I was 11 & saw him in Fiddler on the Roof at the Melody Tent on Cape Cod. He was a wonderful actor.

Words cannot describe what a wonderful human @TheRealNimoy was. He will be missed.

Chris Hadfield

Leonard, you lived long and prospered, and were an inspiration to me and to millions. Rest in peace.

Zachary Quinto

my heart is broken. i love you profoundly my dear friend. and i will miss you everyday. may flights...

Gary Shteyngart

Leonard Nimoy has died. I've set my phaser on "weep."

Pegg News

"RIP Leonard. Lived long and prospered"

Erin Sanders

Dear Mr. Nimoy, you feel like an old friend. You will live long (& prosper) in the hearts of many. RIP.