John Keegan was a prominent British military historian, born on July 15, 1934, and known for his insightful analysis of warfare. He authored several influential books, including The Face of Battle, which revolutionized the study of military history by focusing on the experiences of soldiers rather than just strategies and leaders. Keegan served in the British Army and later became a lecturer at King's College London. His work emphasized the human aspects of war, making complex historical events accessible to a broader audience. He passed away on August 2, 2012, leaving a lasting impact on the field of military studies.