Sherlock Holmes Society of London: Radio is one of the most effective media for drama (photo by Jean Upton)
Sherlock Holmes Society of London: As someone truly said, on radio the pictures are better (photo by Jean Upton)
Sherlock Holmes Society of London: Writers and directors appreciate that (photo by Jean Upton)
Sherlock Holmes Society of London: But things have moved on from the days when it was thought necessary to describe everything in detail (photo by Jean Upton)
Sherlock Holmes Society of London: Bert has always believed that the listener has a part to play (photo by Jean Upton)
Sherlock Holmes Society of London: Writer and director should trust the listener's intelligence (photo by Jean Upton)
Sherlock Holmes Society of London: They should trust the listener's imagination (photo by Jean Upton)
Sherlock Holmes Society of London: Bert's audience agrees (of course) (photo by Jean Upton)
Sherlock Holmes Society of London: The image of Holmes and Watson has developed too (photo by Jean Upton)
Sherlock Holmes Society of London: For decades they always seemed to be played as middle-aged or elderly (photo by Jean Upton)
Sherlock Holmes Society of London: And Watson was too often portrayed as dense (photo by Jean Upton)
Sherlock Holmes Society of London: But they were young men for much of their career (photo by Jean Upton)
Sherlock Holmes Society of London: And Watson was intelligent and highly qualified (photo by Jean Upton)
Sherlock Holmes Society of London: The BBC's dramatisation of the complete Holmes canon has helped set the record straight (photo by Jean Upton)
Sherlock Holmes Society of London: There's more in Bert's book '221 BBC' (photo by Jean Upton)
Sherlock Holmes Society of London: The book is well worth buying - and reading (photo by Jean Upton)
Sherlock Holmes Society of London: Bob Ellis expresses the Society's appreciation (photo by Jean Upton)
Sherlock Holmes Society of London: Bob presents Bert with a Sherlock Holmes Society Parker pen (photo by Jean Upton)
Sherlock Holmes Society of London: A question about the radio series (photo by Jean Upton)
Sherlock Holmes Society of London: A request for Bert to sign his book (photo by Jean Upton)
Sherlock Holmes Society of London: More young admirers queue for Bert's autograph (photo by Jean Upton)
Sherlock Holmes Society of London: Bert is happy to chat (photo by Jean Upton)
Sherlock Holmes Society of London: And to sign (photo by Jean Upton)
Sherlock Holmes Society of London: The fans pose happily with Bert (photo by Jean Upton)
Sherlock Holmes Society of London: You could say that this is Bert's 'Benedict Cumberbatch' moment (photo by Jean Upton)