Professor Bernard Quatermass is a fictional scientist originally created by writer Nigel Kneale for BBC Television. An intelligent and highly moral British scientist, Quatermass is a pioneer of the British space programme, heading the British Experimental Rocket Group. He continually finds himself confronting sinister alien forces that threaten to destroy humanity.

Thomas Nigel Kneale was a Manx screenwriter who wrote professionally for more than 50 years, was a winner of the Somerset Maugham Award, and was twice nominated for the BAFTA Award for Best British Screenplay.