Jackson, Sir Henry Bradwardine

(January 21, 1855, Barnsley – December 14, 1929, Hayling Island), British admiral. Jackson entered the Royal Navy in 1868, and in 1878/1879 took part in the Zulu War on board the HMS Active. From 1890 he took an interest in wireless technology, and six years later met his idol, the Italian physicist Guglielmo Marconi. Jackson served as naval attaché in Washington in 1897 and became Third Sea Lord in 1905. In this position he experienced the revolution in naval armaments that led to the development of the all big gun battleships (Dreadnought). In 1908 he…