Butler, Daniel Allen: - Daniel Allen Butler, a maritime and military historian, is the bestselling author of "Unsinkable" The Full Story of RMS Titanic, Distant Victory: The Battle of Jutland and the Allied Triumph in the First World War, and The First Jihad: The Battle for Khartoum and the Dawn of Militant Islam. He is an internationally recognized authority on maritime subjects. Butler lives and works in Los Angeles, California. Daniel Allen Butler was educated at Hope College, Grand Valley State University, and the University of Erlangen.