Philip Martin
From Tardis Wiki, the free Doctor Who reference
Philip Martin (born Philip Charles Martin on 3 July 1938 in Wavertree, Liverpool[1],died 13 December 2020[2]) wrote several stories for the Doctor Who television series and Big Finish Productions. He is best known for creating the character Sil and his race of capitalist, profit obsessed Mentors.
He shared his memories of his Doctor Who career The Making of The Trial of a Time Lord: Part Two, Mindwarp, the audio commentary for Mindwarp's DVD release and the 64th and 70th editions of Big Finish's charity podcast series Toby Hadoke's Who's Round.