John P. Dugan
About
John T. Dugan 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.