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.