(written from a Production point of view)
Lillian "Lil" Evans (2 July 1924 – 11 January 2003; age 78) was an animator who worked on Star Trek: The Animated Series for Filmation. Other Filmation productions she worked on include Fat Albert and the Cosby Kids and BraveStarr.
Evans began working as an animator in 1947 and retired in 1988. Besides Filmation, she also worked for such studios as Disney and Hanna-Barbera Productions.  Although it is currently unknown what productions she worked on for Disney, she has many known works for Hanna-Barbera, including Josie and the Pussycats, The Pebbles and Bamm-Bamm Show, Hong Kong Phooey and Jabberjaw. In addition, she was also a key animator for the 1978 animated adaptation of J.R.R. Tolkien's The Lord of the Rings for Ralph Bakshi and Fantasy Films, and was an animation director on the TV series G.I. Joe and 1987's G.I. Joe: The Movie for Marvel Productions.
Evans died in a car accident in Somis, California, in 2003.