(written from a Production point of view)
Rolland M. Brooks (17 December 1907 – 24 September 1998; age 90) worked as art director in Star Trek: The Original Series, beginning with the second pilot, TOS: "Where No Man Has Gone Before". He shared duties with Walter M. Jefferies during the first and early second season, however he left the series after TOS: "Amok Time", leaving Jefferies alone in the position.
During his 12-year career as art director, Brooks mostly worked on television projects, including series such as The Andy Griffith Show, The Untouchables, Ben Casey, Mission: Impossible (also made by Desilu), Hogan's Heroes and The Lucy Show. The last project he worked on was the 1973 TV movie The Bait, featuring Don Keefer.