Walter Koenig as young Ensign Chekov in "Star Trek: The Original Series" (Image credit: Paramount)

The " Star Trek " community lost one of its most beloved icons on Sunday, October 25, with the sad passing of Walter Koenig at the age of 90 in his North Hollywood home.

Koenig was best known as the U.S.S. Enterprise's Russian navigator Pavel Andreievich Chekov for two seasons on "Star Trek: The Original Series." The popular American actor continued in that role for Paramount's first seven "Star Trek" films, which began in 1979's " Star Trek: The Motion Picture " and ended with 1994's " Star Trek: Generations ."

A native of Chicago, Illinois, Marvin Walter Koenig was born on Sept. 14, 1936, to Lithuanian immigrant parents and spent his formative years in New York City.…