John T. Dugan (October 11, 1920 – December 24, 1994) was an American screenwriter.
He wrote for television programs, including Bonanza, Mr. Novak, 12 O'Clock High, Dr. Kildare, Adam-12, Star Trek: The Original Series, Ben Casey, Mission: Impossible, Columbo and Little House on the Prairie.
Dugan died in December 1994 of pancreatic cancer at his home in Encino, California, at the age of 74.
[2] Dugan was twice nominated for the Writers Guild of America Award for Television: Episodic Drama: in 1968, for the Star Trek: The Original Series episode "Return to Tomorrow"; and in 1980, for the Little House on the Prairie episode "Second Spring".
This article about a television writer from the United States is a stub.