Jason King (TV series) the X-Men comics, the character of Jason Wyngarde (aka Mastermind) was partially inspired by Jason King and Peter Wyngarde. Mastermind had first appeared in the 1960s, but took on the appearance and identity of Jason Wyngarde in the build-up to the X-Men's first confrontation with the Hellfire Club in the late 1970s. Wyngarde had played the leader of another Hellfire club in "A Touch of Brimstone", an episode of the popular TV series "The Avengers", in which Diana Rigg appeared in a leather costume that Jean Grey adopted as the Hellfire Club's Black Queen. He is also one of the
1970s in television established writers, it was effectively an apprenticeship for new ones who were trying to make a name for themselves; Dennis Potter, John Mortimer, Arthur Hopcraft and Jack Rosenthal all served time on "Play for Today" before going on to write their own independent series. In style, the plays could go from almost documentary realism (of which "Cathy Come Home" is the best known example) to the futuristic or surrealist ("The Year of the Sex Olympics", "House of Character"). Potter went on to write "Pennies from Heaven", one of the landmarks of 1970s television drama. It had the now familiar elements