John T. Dugan
Oct 11, 1920 - Dec 24, 1994 (74 years old) in New York City, New York, USA
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.