James Bradley is an American author and historian, best known for his book "Flags of Our Fathers," which tells the story of the six men who raised the American flag on Iwo Jima during World War II. His work often focuses on themes of war, sacrifice, and the impact of history on personal lives. In addition to "Flags of Our Fathers," Bradley has written several other books, including "Flyboys," which explores the experiences of American pilots during World War II. He is also known for his advocacy for veterans and his efforts to preserve historical memory related to World War II.