There are many, many scholars, authors, and politicians who we find everywhere in the world and who have had an effective and strong role in the lives of all people. In your hands is an important book that talks about leaders, scholars, and writers who changed the face of history. It is an important book in itself; Valuable for the historical and scientific material it contains that sheds light on everything important from the lives of these people who changed the face of history and created it with their own hands.