Admiral John Jellicoe was a British naval officer best known for his role as commander of the Royal Navy during the Battle of Jutland in 1916, which was the largest naval battle of World War I. Born on December 5, 1859, he had a distinguished career, rising through the ranks due to his strategic acumen and leadership skills. Jellicoe's approach to naval warfare emphasized the importance of fleet actions and maintaining control of the seas. Despite facing criticism after Jutland for not pursuing the enemy fleet more aggressively, he is often credited with ensuring the British Grand Fleet remained a dominant force throughout the war.