John Nathan-Turner

John Nathan-Turner (12 August 1947 – 1 May 2002), born John Turner, was the ninth producer of the long-running BBC science fiction series Doctor Who. He was also the final producer of the series' first run on television. He produced the series from 1980 until it was cancelled in 1989. He finished the role having become the longest-serving Doctor Who producer and cast Peter Davison, Colin Baker and Sylvester McCoy as the Fifth, Sixth and Seventh Doctors, respectively. Nathan-Turner died of alcoholism-related liver failure at the age of 54.