Muslim Brotherhood
The Society of the Muslim Brothers ( /Ikhwan/el-ekhwan, elʔexˈwæːn, often simply "The Brotherhood" or "MB") is the world's oldest and one of the largest Islamist parties, and is the largest political opposition organization in many Arab states. It was founded in 1928 in Egypt
Egypt , officially the Arab Republic of Egypt, Arabic: , is a country mainly in North Africa, with the Sinai Peninsula forming a land bridge in Southwest Asia. Egypt is thus a transcontinental country, and a major power in Africa, the Mediterranean Basin, the Middle East and the Muslim world...

 by the Islamic scholar and schoolteacher Hassan al-Banna
Hassan al-Banna
Sheikh Hasan Ahmed Abdel Rahman Muhammed al-Banna known as Hasan al-Banna was a schoolteacher and imam, best known for founding the Muslim Brotherhood, one of the largest and most influential 20th century Muslim revivalist organizations.-Early life:Banna was born in 1906 in Mahmoudiyah, Egypt...

 and by the late 1940s had an estimated two million members. Its ideas had gained its supporters throughout the Arab world and influenced other Islamist groups with its "model of political activism combined with Islamic charity work".