Leonard Simon Nimoy (/ˈnmɔɪ/ nee-moy; March 26, 1931 – February 27, 2015) was an American actor, film director, poet, singer and photographer. Nimoy was known for his role as Spockin the original Star Trek series (1966–69), and in multiple film, television and video game sequels.

Nimoy was born to Jewish immigrant parents in BostonMassachusetts. He began his career in his early twenties, teaching acting classes in Hollywood and making minor film and television appearances through the 1950s, as well as playing the title role in Kid Monk Baroni. Foreshadowing his fame as a semi-alien, he played Narab, one of three Martian invaders in the 1952 movie serial Zombies of the Stratosphere. In 1953, he served in the United States Army.

In 1965, he made his first appearance in the rejected Star Trek pilot The Cage, and went on to play the character of Mr. Spock until 1969, followed by eight feature films and guest slots in the various spin-off series. The character has had a significant cultural impact and garnered Nimoy three Emmy Awardnominations; TV Guide named Spock one of the 50 greatest TV characters.[3][4] After the original Star Trek series, Nimoy starred in Mission: Impossible for two seasons, hosted the documentary series In Search of..., and narrated Civilization IV, as well as making several well-received stage appearances. More recently, he also had a recurring role in the science fiction series Fringe.

Nimoy's fame as Spock was such that both of his autobiographies, I Am Not Spock (1975) and I Am Spock (1995), were written from the viewpoint of sharing his existence with the character.[5][6]