Leonard Nimoy as Mr Spock from the TV series 'Star Trek'. (Photo by Bertil Unger/Getty Images)
Leonard Nimoy As Mr. Spock
Leonard Nimoy as Mr. Spock in the television series, "Star Trek." (credit: Getty Images)
Leonard Nimoy as Mr. Spock
Leonard Nimoy as Mr. Spock (Photo by CBS via Getty Images)
Leonard Nimoy
American actor Leonard Nimoy during the filming of the movie 'Catlow',1970 Almeria, Spain. (Photo by Gianni Ferrari/Cover/Getty Images).
Leonard Nimoy
Leonard Nimoy during the filming of the movie 'Catlow',1971 Almeria, Spain. (Photo by Gianni Ferrari/Cover/Getty Images)
Leonard Nimoy and Sandy Nimoy
1971: Leonard Nimoy and his wife Sandy. (Photo by Evening Standard/Getty Images)
Leonard Nimoy In 'Invasion Of The Body Snatchers'
circa 1975: Brooke Adams, Leonard Nimoy and Donald Sutherland, stars of the 1970's remake of the 1950's film 'Invasion of the Body Snatchers'. (Photo by Hulton Archive/Getty Images)
Leonard Nimoy As Mr. Spock
Leonard Nimoy as Mr Spock from the film 'Star Trek - The Motion Picture', 1979. (Photo by Bertil Unger/Evening Standard/Getty Images)
The Next Enterprise
The space shuttle orbiter OV-101, aka 'Enterprise', is unveiled at the NASA/Rockwell International Space Division assembly plant at Palmdale, California, in the presence of the cast of hit tv show 'Star Trek', 17th September 1976. From left to right, NASA administrator Dr. James C. Fletcher, actors DeForest Kelley, George Takei, Nichelle Nichols, Leonard Nimoy, series creator Gene Roddenberry and actor Walter Koenig. (Photo by Space Frontiers/Getty Images)
William Shatner and Leonard Nimoy
Actors Leonard Nimoy and William Shatner appear at a public signing of the DVD/VHS of "Mind Meld: Secrets behind the voyage of a Lifetime" March 17, 2002 in Los Angeles. (credit: J. Emilio Flores/Getty Images)
William Shatner and Leonard Nimoy
Leonard Nimoy and William Shatner at a DVD/video signing for "Mind Meld: Secrets Behind the Voyage of a Lifetime" at FYE in Los Angeles. March 17, 2002. (credit: Kevin Winter/ImageDirect)
Leonard Nimoy
Actor Leonard Nimoy presents his photography exhibition and his book "Shekhina" at the Skirball Cultural Center on September 25,2002 in Los Angeles. (credit: by Michel Boutefeu/Getty Images)
Leonard Nimoy
Leonard Nimoy presents his photography exhibition and his book "Shekhina" at the Skirball Cultural Center on September 25,2002 in Los Angeles (credit: Michel Boutefeu/Getty Images)
TV Land Awards 2003
Actors Nichelle Nichols, William Shatner, James Doohan and Leonard Nimoy pose during the TV Land Awards 2003 at the Hollywood Palladium on March 2, 2003 in Hollywood, Calif. (credit: Kevin Winter/Getty Images)
Leonard Nimoy
Leonard Nimoy is seen onstage accepting an award for honoree William Shatner during the 11th Annual Safari Brunch, a fundraiser for the Wildlife Waystation held at the Playboy Mansion on October 8, 2005 in Beverly Hills, California. (Photo by Frazer Harrison/Getty Images for Wildlife Waystation)
Leonard Nimoy
Leonard Nimoy attends the 11th Annual Safari Brunch, a fundraiser for the Wildlife Waystation held at the Playboy Mansion on October 8, 2005 in Beverly Hills, California. (Photo by Frazer Harrison/Getty Images for Wildlife WayStation)
Leonard Nimoy
Actor Leonard Nimoy promotes the "Star Trek" 40th Anniversary on the TV Land network at the Four Seasons hotel August 9, 2006 in Los Angeles. (Photo by Frazer Harrison/Getty Images)
William Shatner and Leonard Nimoy
Actor/directors and original Star Trek series co-stars William Shatner (L) and Leonard Nimoy speak to fans at the fifth annual official Star Trek convention at the Las Vegas Hilton August 19, 2006 in Las Vegas. (credit: Ethan Miller/Getty Images)
William Shatner (R) and Leonard Nimoy (L
William Shatner (R) and Leonard Nimoy (L), the actors who portrayed Capt James T Kirk and Science Officer Mr Spock respectively in the original Star Trek television series, recall memories of filming the show 40 years ago, at the Star Trek convention in Las Vegas, Nevada, August 19, 2006. (credit: Robyn Beck/AFP/Getty Images)
Leonard Nimoy and Zachary Quinto
Actors Leonard Nimoy (L) and Zachary Quinto (R) attend the 19th Annual "Hollywood Charity Horse Show" at the Los Angeles Equestrian Center on April 25, 2009 in Burbank, California. (Photo by Amanda Edwards/Getty Images)
Leonard Nimoy and Chris Pine
Actors Leonard Nimoy (L) and Chris Pine (R) attend the 19th Annual "Hollywood Charity Horse Show" at the Los Angeles Equestrian Center on April 25, 2009 in Burbank, California. (Photo by Amanda Edwards/Getty Images)
19th Annual "Hollywood Charity Horse Show"
Leonard Nimoy attends the 19th Annual "Hollywood Charity Horse Show" at the Los Angeles Equestrian Center on April 25, 2009 in Burbank, California. (Photo by Amanda Edwards/Getty Images)
Actor Leonard Nimoy and actress Susan Bay
Actor Leonard Nimoy and actress Susan Bay parade on the red carpet as they arrives at Grauman's Chinese Theatre in Hollywood for the premiere of the movie "Star Trek" in Los Angeles on April 30, 2009. (credit: Mark Ralston/AFP/Getty Images)
Walter Koenig Honored On The Hollywood Walk Of Fame
Actors Leonard Nimoy, Walter Koenig, Nichelle Nichols and George Takei attend Koenig being honored with a star on the Hollywood Walk of Fame on September 10, 2012 in Hollywood, California. (Photo by David Livingston/Getty Images)
Leonard Nimoy
Leonard Nimoy
Actor Leonard Nimoy arrives at the premiere of Paramount Pictures' 'Star Trek Into Darkness' at the Dolby Theatre on May 14, 2013 in Hollywood, California. (Photo by Frazer Harrison/Getty Images)
Leonard Nimoy
Actor Leonard Nimoy arrives at the premiere of Paramount Pictures' "Star Trek Into Darkness" at Dolby Theatre on May 14, 2013 in Hollywood, California. (Photo by Frazer Harrison/Getty Images)
Leonard Nimoy as Mr. Spock
Leonard Nimoy as Mr. Spock (Photo by CBS via Getty Images)