Biography
John T. Dugan was an American screenwriter whose television credits span the 1960s to the 1980s. Writing for Star Trek (1966) under the pseudonym John Kingsbridge, he contributed the episode "Return to Tomorrow". He also wrote stories and episodes for Mission: Impossible (1966).
Dugan wrote extensively for Little House on the Prairie (1974), receiving a Writers Guild of America nomination for the episode "Second Spring". His other credits include episodes of Columbo (1971), Adam-12 (1968), Kung Fu (1972), Bonanza and Dr. Kildare. He received multiple Writers Guild of America Award nominations during his career.
