Quiz

In 1974 he became the first person to direct a Doctor Who (1963) serial (Robot: Part One (1974)) using videotape for location scenes. This was made possible via the use of an outside broadcast video unit instead of the traditional method of using film for capturing footage outdoors. In 1986, this became the normal method of recording for the series until it ended in 1989.

He was the longest-serving director on the original series of Doctor Who (1963), directing episodes over a duration of 16 years between 1963 and 1979. He was also one of only three directors (the others being Douglas Camfield and Lennie Mayne) to direct episodes starring all of the first four actors to play the Doctor in the series (William Hartnell, Patrick Troughton, Jon Pertwee and Tom Baker).

He was a member of the BBC staff.