Los Angeles, Feb 28
American actor Leonard Nimoy, best known for his portrayal of half-human science officer Spock in \"Star Trek\", died here Friday. He was 83.

The iconic actor died of a chronic obstructive pulmonary disease, CNN quoted his family members as saying.

His \"Star Trek\" co-stars, including William Shatner and George Takei, expressed sadness at his death.

In a career spanning six decades, Nimoy\'s stint included film direction, singing, poetry and photography. But his lasting claim to fame remains Spock, a native of the planet Vulcan whose pointed ears, unemotional manner endeared him to millions of his fans.

Actor Leonard Nimoy dies at 83