Jellicoe, John Rushworth Jellicoe, 1st Earl, 1859–1935, British admiral. Crowning a naval career begun in 1872, he served (1914–16) as commander in chief of the Grand Fleet in World War I. His tactics at the inconclusive battle of Jutland won him some praise and much censure. As first sea lord (1916–17) he opposed the introduction of convoys to combat the German submarine campaign and was dismissed by Lloyd George. He was (1920–24) governor-general of New Zealand, and became an earl in 1925. He wrote The Grand Fleet, 1914–16 (1919) and The Crisis of the Naval War (1921).
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