American writer, director and producer (1919–2002) who took over as producer of the original Star Trek midway through its second season and both wrote and directed episodes of the series.
John Meredyth Lucas (1919–2002) was an American television writer, director and producer. He joined Star Trek during its second season and succeeded Gene L. Coon as the show's producer for the remainder of that year.
As a writer he contributed The Changeling, Patterns of Force, Elaan of Troyius and the teleplay of That Which Survives. As a director he handled The Ultimate Computer, The Enterprise Incident and Elaan of Troyius.
Elaan of Troyius is notable as the only episode of the original series to be directed by the person who wrote it. Lucas worked widely in American television drama before and after his time on Star Trek.