Ravi Zacharias
Frederick Antony Ravi Kumar Zacharias was an Indian-born Canadian and American Christian evangelical minister and Christian apologist who founded Ravi Zacharias International Ministries (RZIM). He was involved in Christian apologetics for over 40 years, authoring more than 30 books. He also hosted the radio programs Let My People Think and Just Thinking. Zacharias belonged to the Christian and Missionary Alliance (C&MA), the Keswickian Christian denomination in which he was ordained as a minister.