I remember reading an article about I’m Sorry I Haven’t A Clue which stated, “Humph could read the dirtiest single-entendres as if they were shopping lists.” His deadpan presence in the chair was surely a massive part of Clue‘s enduring success.
It’s very rare that a single person’s death affects an entire broadcast network, but I think it’s true to say that Radio 4 will be much poorer for his absence.
Not much more I can add really. Here’s the BBC’s obituary.