Ken, who lives in Hampstead, had his first cartoon published in the satirical magazine Punch in 1967.

Since then, as well as appearing in Archant London's Ham & High, his work has featured in The Times, the Daily Telegraph, the Daily Mirror, Spectator, consumer magazine Which? and German magazine Stern, among others.

He is also a regular contributor of cartoons to Private Eye.

Ken has to draw up to 30 cartoons a week, but he says coming up with 30 jokes is not as difficult as it sounds.

He said: "If I'm asked to do a joke, I usually get the joke out of the first few lines of the story. I put a box around the line and think of the joke, then draw the cartoon around it.

"You're always working to a deadline – usually within an hour. Sometimes less when it's the Ham & High!"