The Quatermass Experiment stunned the BBC audience back in conservative 1953, and paved the way for the likes of Doctor Who. A year later, and questions were asked in Parliament about his adaptation of 1984. He was still writing for TV in the 90s and Kneale was a genuine small-screen visionary whose (often fantastical) work also inspired the whole Hammer horror phenomenon.
The passing of a living legend. There are so few left.