Reaction to death of 'Star Trek' actor Leonard Nimoy

Actor Leonard Nimoy, who played "Spock" in the original "Star Trek" television and movie series, speaks to the residents of the town of Vulcan, Alberta, in this April 23, 2010, file photo. Leonard Nimoy, the actor famous for playing the logical Mr. Spock on the television show "Star Trek," died on February 27, 2015 at age 83, according to The New York Times. [Photo/Agencies]

"God Bless You, Leonard Nimoy... May Angels guide thee to thy rest! #agoodman #talented #funny #awesome," actor LeVar Burton, who played Lieutenant Commander Geordi La Forge in "Star Trek: The Next Generation," said on Twitter.

"RIP Leonard Nimoy. So many of us at NASA were inspired by Star Trek. Boldly go..." the U.S. National Aeronautics and Space Administration (NASA) wrote on Twitter.