Kif Bowden-Smith, Dave Jeffery, Alan Keeling and Geoffrey Lugg

Kif Bowden-Smith is the founder of the Transdiffusion Broadcasting System.

Dave Jeffery is a graphic designer and animator. His work is showcased on his YouTube channel.

Alan Keeling is a television historian with an encyclopaedic knowledge of 1950s and 1960s British broadcasting.

Geoffrey Lugg was head of presentation at ABC and later Thames Television.