Wallis; Sir; Barnes (1887-1979); Born Ripley, Derbyshire; scientist, engineer and inventor. Invented the "bouncing bomb" used by the Royal Air Force in Operation Chastise (the "Dambusters" raid) to attack the dams of the Ruhr Valley during World War II. The practice runs were at Derwent Dam, Derbyshire.
Sir John Franklin (1786-1847), naval officer and arctic explorer