Sir Jack Cecil Drummond FRIC, FRS, known as a child as Jack Cecil Spinks, was a biochemist, noted for his work on nutrition as applied to the British diet under rationing during the Second World War. He was murdered, together with his wife and 10-year-old daughter, in what became known as the Dominici affair, on the night of 4–5 August 1952 near Lurs, a village or commune in the Basses-Alpes department of Southern France.