Len Janson
Len Janson co-wrote the  first season episode  with Chuck Menville. He also worked on the script for , but is uncredited. 

Menville and Janson cooperated on many projects including several Filmation cartoons and stop-motion animated short film titled Stop, Look, and Listen for which they were nominated for an Oscar in 1968.

Janson's other scripts are mostly for children's TV and animation, but they include work for The Real Ghostbusters, Groovie Goolies, The New Adventures of Batman, Tarzan, Lord of the Jungle (1978), The Smurfs, Sonic the Hedgehog, and The Woody Woodpecker Show.

Janson also wrote a three parter for the medical drama, Dr. Kildare.

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es:Len Janson nl:Len Janson
Jansen, Len