The Muslim Brotherhood - Hassan al-Banna
Egypt now has a president from the Muslim Brotherhood, an Islamist movement which began 84 years ago.
Its founder was Hassan al-Banna - an Egyptian teacher and imam.
His grandson, the Islamic intellectual, Tariq Ramadan talks to Witness.
(Image: An undated picture of Sheikh Hassan al-Banna (1906-1949), the founder of Egypt's Moslem Brotherhood. Credit: AFP/Getty Images)