Actor-director Leonard Nimoy, best known for playing Spock on Star Trek, has attended his final Trek convention.
Nimoy made what he called his final convention appearance Sunday in Rosemont, IL.
The convention celebrated the 45th anniversary of Trek, which premiered on NBC in Sept. 1966. Nimoy spoke to fans for an hour about his life and career and thanked fans for their support over the decades.
Actor Leonard Nimoy gives the "Vulcan salute" to the crowd while riding in a parade in the town of Vulcan, Alberta April 23, 2010. Nimoy portrayed the character "Spock" in the original "Star Trek" television and movie series. REUTERS/Todd Korol (CANADA - Tags: ENTERTAINMENT)