Career
Science fiction fans know Kettle as a prolific co-author with John Brosnan, publishing under the names Harry Adam Knight and Simon Ian Childer. With Greg Pickersgill, he was a leading light of "Ratfandom" in London in the 1970s. He produced two science fiction fanzines, Fouler (with Pickersgill) and True Rat, both noted for their acid humour.
And participated in the oneshot fanzine An Egregious Guide To The Conventions with Pickersgill.