Who, in the years prior to World War II, conceived and oversaw the development of an integrated air defence system for England which included radar, human observers, raid plotting and radio control of aircraft?
Hugh Caswell Tremenheere Dowding Hugh Caswall Tremenheere Dowding, 1st Baron Dowding Dowding Hugh Dowding, 1st Baron Dowding Air Chief Marshal Sir Hugh Dowding H C T Dowding H Dowding Sir Hugh Caswall Tremenheere Dowding, 1st Baron Hugh Dowding Lord Dowding Sir Hugh Dowding Hugh Caswall Tremenheere Dowding