Who was the first person to swear on BBC radio?

The first person to swear on BBC radio was the comedian and actor John Cleese. This occurred during a live broadcast of the comedy show "I'm Sorry, I Haven't a Clue" in 1975. Cleese used an expletive while discussing a topic, which caught the attention of listeners and marked a notable moment in broadcasting history. The incident highlighted the evolving standards of language and content on public radio.