Please ignore my earlier post, the Radio 4 documentary was actually about the beginnings of DC Thompson (and not Fleetway)...and very good it was too:
Sue MacGregor gathers together a group of artists, writers and editors who have created and drawn a vast array of cartoon strip characters for popular children's comics.
Link: Listen Again - The Reunion
Heard this... very good stuff.
I've turned it into an mp3 file for posterity (or if you want to listen to it on your i-pod). Get it on link below.
Link: Mediafire Download - The Reunion