During the Second World War Hartley was seconded to the government where he was involved in the development of the bombsight which sank the '' Tirpitz '' , the Operation Pluto pipeline project and the FIDO fog dispersion system . Following the war he was rewarded with an appointment as Commander of the Order of the British Empire ( CBE ) , a United States Medal of Freedom and £ 9000 cash . He retired from Anglo-Iranian in 1951 and was elected president of the Institution of Mechanical Engineers . He was elected president of the Institution of Civil Engineers in 1959 , but died three months into his tenure
Medal of Freedom
Medal of Freedom (1945)
Arthur Hartley