Remembering Leonard Nimoy: President Obama and Celebs React to the 'Star Trek' Star's Death

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Leonard Nimoy lived long, prospered, and touched many lives in his 83 years, judging by the outpouring of memorial messages on social media.
After the actor, best known for his role as Mr. Spock in the original Star Trek television and movie series, passed away early Friday due to the end stages of chronic obstructive pulmonary disease (COPD), friends, fans, and former co-stars and even NASA and the President took to Twitter and Instagram to remember the legendary sci-fi hero.
President Obama released a statement on Nimoy's death:

"Long before being nerdy was cool, there was Leonard Nimoy. Leonard was a lifelong lover of the arts and humanities, a supporter of the sciences, generous with his talent and his time. And of course, Leonard was Spock. Cool, logical, big-eared and level-headed, the center of Star Trek’s optimistic, inclusive vision of humanity’s future.

I loved Spock.

In 2007, I had the chance to meet Leonard in person. It was only logical to greet him with the Vulcan salute, the universal sign for “Live long and prosper.” And after 83 years on this planet – and on his visits to many others – it’s clear Leonard Nimoy did just that. Michelle and I join his family, friends, and countless fans who miss him so dearly today."
Here's a look at other's memorial messages: