This document provides a biography of Mustafa Kemal Atatürk, the founder of secular Turkey. It describes how he grew up in a religious household but rejected religion and became a military leader. As president, he launched radical reforms to modernize and secularize Turkey, destroying the authority of Islam by banning religious institutions and practices, establishing a secular constitution, and abolishing the role of caliph. His secular nationalist policies aimed to transform Turkey into a modern, Western-style nation and are still influencing Turkish society today.