Leonard Simon Nimoy (March 26, 1931 – February 27, 2015) was an American actor, film director, poet, musician and photographer. Nimoy's most famous role is that of Spock in the original Star Trek series 1966–1969, multiple films, television and video game sequels.

Nimoy 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. 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 would go on to play the character of Mr. Spock until 1969, followed by seven further films and a number of guest slots in various sequels. His character of Spock generated a significant cultural impact and three Emmy Award nominations; TV Guide named Spock one of the 50 greatest TV characters. Nimoy also had a recurring role in Mission: Impossible and a narrating role in Civilization IV, as well as several well-received stage appearances. Nimoy's fame as Spock is such that both his autobiographies, I Am Not Spock (1977) and I Am Spock (1995) detail his existence as being shared between the character and himself.