See Leonard Nimoy's Long and Prosperous Life in Photos

Leonard Nimoy in The Outer Limits in 1964.

Leonard Nimoy with wife Sandra Zober attend an event in Los Angeles,Calif. in 1966.

Leonard Nimoy, circa 1968.

Leonard Nimoy as Mr. Spock and William Shatner as Captain James T. Kirk in season 3 of Star Trek in 1968.

Leonard Nimoy as Paris and Lee Meriwether as Tracey in Mission Impossible in 1969.

Leonard Nimoy in Catlow, 1971.

Leonard Nimoy in The Alpha Caper in 1973

NASA's space shuttle Enterprise rolled out of the Palmdale manufacturing facilities and was greeted by NASA officials and cast members from Star Trek in 1976. From left: NASA Administrator Dr. James D. Fletcher; DeForest Kelley, who portrayed Dr. "Bones" McCoy on the series; George Takei (Mr. Sulu); James Doohan (Chief Engineer Montgomery "Scotty" Scott); Nichelle Nichols (Lt. Uhura); Leonard Nimoy (Mr. Spock); series creator Gene Roddenberry; an unnamed NASA official; and, Walter Koenig (Ensign Pavel Chekov).

Leonard Nimoy hosts The Unexplained in 1976.

Leonard Nimoy as Mr. Spock in Star Trek III: The Search for Spock in 1984.

Leonard Nimoy guest stars in The Big Bang Theory.

Leonard Nimoy guest stars on Fringe

Leonard Nimoy and Luke Wilson, presenters during 5th Annual TV Land Awards - Show at Barker Hangar in Santa Monica, Calif. in 2007.

Leonard Nimoy guest stars as Mr. Spock in Star Trek in 2009.