Sir Charles William Chadwick Oman, KBE, a distinguished British historian, was born on January 12, 1860, and is noted for his influential contributions to military history and the study of castles. After studying at Oxford, Oman went on to have an illustrious academic career. He became a fellow of All Souls College at Oxford and was appointed to the Chichele Chair of Modern History in 1905, a prestigious position he held until 1946. Oman's literary output was prolific and varied, encapsulating works on English and European history, with a strong focus on the medieval period. His writing style, recognized for its erudition combined with accessibility, allowed him to contribute to historical scholarship while also reaching a broader audience. Among his notable works is 'A History of the Art of War in the Middle Ages,' which remains an authoritative reference on medieval military history. Oman was knighted in 1920 for his academic services and later was accorded the Order of the British Empire. While his comprehensive 'History of the Byzantine Empire: From the Foundation until the Fall of Constantinople (328-1453)' may not be his most famous work, it embodies his deep understanding of the complexities of history and aptitude for meticulous research that have made his writings enduring resources for scholars and enthusiasts alike.