Walter Koenig

Actor Walter Koenig, known for playing Ensign Pavel Chekov on “Star Trek,” has died at 90. His talent agent confirmed he passed away Monday at his home in Los Angeles. Koenig's role as Chekov showcased a future where rival nations worked together. “Star Trek” aired from 1966 to 1969 and gained a massive fan following. Koenig's castmate George Takei praised him as a writer, teacher, and friend. Koenig appeared in seven “Star Trek” movies and wrote a book about the series. He also acted in “Babylon 5” and ventured into computer games.