The document provides a biography of Sheikh Ahmed Deedat, a famous 20th century Islamic scholar and orator from South Africa. It summarizes that he was born in 1918 in India and migrated to South Africa at age 9, where he became interested in comparative religion after being targeted by Christian missionaries. It describes how he became a renowned public speaker on Islam and engaged in numerous public debates defending Islam. It highlights his founding of Islamic organizations in South Africa and the global impact of his preaching and writings in defending and promoting Islam.