John Anthony Rumble was a consultant ophthalmic surgeon at Southend General Hospital. Before he attended medical school, Rumble carried out his National Service with the Royal Army Medical Corps in Hong Kong. He subsequently went to Sheffield University to study medicine, qualifying in 1955. He the

Margaret Challis was a consultant ophthalmologist at Whipps Cross Hospital. Her parents were both doctors – her father, John Humphrey Thornton Challis, was a consultant anaesthetist at the London Hospital and her mother, Margaret Llewelyn Jones, a general practitioner in Woodford, Essex. Margaret wa