Writing
October 11, 1920
Died at age 74
December 24, 1994
Date of Death
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.