Does anybody know who produced the 'Serious About Comedy' trails that the BBC used in around 1999? It featured a lot of comedy stars of the time, including Ronnie Barker.
Here is one that was used:
I was after the same information! I asked the BBC who didn't know; they pointed me to the BFI (I think), who also didn't know.
Sorry I couldn't be of further help but good luck in your own search! Let us know if you're successful!