Arthur Rowledge
Arthur John Rowledge (30 July 1876 – 11 December 1957) was an English engineer who designed the Napier Lion aero engine and was a key figure in the development of the inter-war Rolls-Royce aero piston engines, including the Rolls-Royce Kestrel and the Rolls-Royce Merlin. == Early life and family == Rowledge was born in Peterborough, Northamptonshire in 1876, the son of John and Ann Rowledge.